Match the frequency table with the correct probability
distribution table.
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10
15
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Match The Frequency Table With The Correct Probabilitydistribution Table.XO F5101551501234

Answers

Answer 1

The frequency table and the probability distribution table have been matched correctly.

What is a frequency table?

The frequency table consists of the number of occurrences of each value of the random variable x.

The probability distribution table consists of the probability of occurrence of each value of the random variable x.

The probability distribution table shows the probability of each value of the random variable x. The value of x can either be 0, 1, 2, 3, or 4. The respective probabilities of each value are 0.1, 0.12, 0.32, 0.16, and 0.6.

The frequency table shows the number of occurrences of each value of the random variable x. The value of x can either be 0, 1, 2, 3, or 4. The respective frequencies of each value are 5, 10, 15, 5, and 15.  

The total of the frequencies in the frequency table is equal to the total of the probabilities in the probability distribution table.

The frequency of each value of the random variable x is equal to the product of the probability of that value and the total number of occurrences in the frequency table.

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Related Questions

Order the numbers from least to greatest

Answers

Arranging the numbers in the given terms we get, -√30 , ∛-89, ∛43,  5.2, √71, 15-√2, 96.

What is number?

A number is an arithmetic value which is  used for representing the quantity and used for various calculations. A written symbol like “7” which represents a number is also known as numerals. For a number which contains more than one term then each term is called the digit of the number.

Then given numbers are,

5.2,  -√30,  ∛43,  √71,  ∛-89,  96,  15-√2

The first number is 5.2

The second number is -√30= -5.477

The third number is ∛43 = 3.503

The fourth number is √71= 8.426

The fifth b is ∛-89= -4.46474 [cube root of an imaginary number]

The sixth number is 96

The seventh number is 15-√2=13.5858

Arranging the numbers from least to greatest we get,

-5.477

-4.46474

3.503

5.2

8.426

13.5858

96

Hence, arranging the numbers in the given terms we get,

-√30 , ∛-89, ∛43,  5.2, √71, 15-√2, 96.

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A group of 25 students is asked to attend a meeting. 20 of the 25 students were able to attend. What percentage of the students were able to attend?

Answers

Answer:

80%

Step-by-step explanation:

We Know

A group of 25 students is asked to attend a meeting.

20 of the 25 students were able to attend.

What percentage of the students were able to attend?

We Take

(20 ÷ 25) x 100 = 80%

So, 80% of the students were able to attend.

80% you have to divide

The cone of the volcano has a height of 418 meters and a diameter of 434 meters. Find the volume of the cone. Round your answer to the nearest hundred thousand. Use 3.14 for π.

Answers

First, we need to find the radius of the cone. The diameter is given as 434 meters, so the radius is half of that:

radius = 434/2 = 217 meters

Next, we can use the formula for the volume of a cone:

V = (1/3)πr^2h

where r is the radius and h is the height.

Plugging in the values we have:

V = (1/3)π(217)^2(418)

V ≈ 41,796,778.5

Rounding to the nearest hundred thousand, we get:

V ≈ 41,800,000

Therefore, the volume of the cone is approximately 41,800,000 cubic meters.

write an equivalent equation to ab=ac using a−1 such that, when it is simplified, the resulting equation will simplify to b=c.

Answers

The equivalent equation to ab=ac is b = c.

How we get the equivalent equation?

An equivalent equation to ab=ac using a−1 that simplifies to b=c is:

Simplifying the expression by canceling out a⁻¹a, we get:

b = c

Therefore, the correct option is b = c.

We can start with the equation ab = ac and multiply both sides by a−1, which is the inverse of a. This gives us:

a⁻¹(ab) = a⁻¹(ac)

Simplifying the left-hand side of the equation by using the associative property of multiplication, we get:

(a⁻¹a)b = (a⁻¹a)c

Since a⁻¹a is equal to 1, we can simplify the expression to:

1b = 1c

Which simplifies to b = c, as required.

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help asappp will give brainliest !!!!!!!!!!!!

Answers

The surface area of the figure when d = 2cm is 3.14 cm².

How to find the surface area

To find the surface area of a circle with a diameter of 2 cm, we can first begin by using the formula: A = πr².

Next, we note that the diameter radius is the diameter divided by 2. So, 2 cm divided by 2 equals 1 cm. Plugging this into the equation, we will have the following:

A = 3.14 * 1²

So, surface area = 3.14 cm² when rounded to the nearest hundredth centimeter.

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CAN SOMEONE PLEASE HELP!!!!


A family is filling up a circular pool. The pool has a depth of 6 feet and a diameter of 10 feet. If there are approximately 7.48 gallons of water in a cubic foot, how many gallons of water will it take to fill up the pool completely? Use π = 3.14 and round to the nearest gallon.


63 gallons

471 gallons

1,409 gallons

3,523 gallons

Answers

Answer:

The volume of a cylinder is given by the formula V = πr^2h, where r is the radius of the base and h is the height. Since the pool is a cylinder with a diameter of 10 feet, the radius is 10/2 = 5 feet, and the height is 6 feet. Therefore, the volume of the pool is:

V = πr^2h

V = π(5^2)(6)

V = 471 cubic feet

Multiplying the volume by the conversion factor of 7.48 gallons per cubic foot gives the number of gallons of water required to fill the pool completely:

471 cubic feet x 7.48 gallons per cubic foot ≈ 3,523 gallons

Rounding to the nearest gallon, the answer is 3,523 gallons. Therefore, it will take approximately 3,523 gallons of water to fill up the pool completely.

Need help ASAP! I appreciate it!

Answers

Answer:

the answer is c and it's right I think

URGENT PLEASE HELP! IM GIVING OUT POINTS LIKE ITS CANDY! please explain. who wants brainliest?

Use triangle ABH for problems 8-9.

8. Use triangle ABH to prove the the identity: (sin A)² + (cos A)² = 1.

9. Use triangle ABH to explain why sin A=cos(90°-A)

Answers

Answer:

Step-by-step explanation:

where angle A is opposite to side BH, angle B is opposite to side AH, and angle H is opposite to side AB.

Problem 8:

Using the Pythagorean theorem, we have:

AB² = AH² + BH²

Dividing both sides by BH², we get:

AB²/BH² = AH²/BH² + 1

(sin A)² + (cos A)² = 1, since sin A = AH/BH and cos A = BH/AB.

Therefore, (sin A)² + (cos A)² = 1, which is the identity we wanted to prove.

Problem 9:

Using the definition of cosine, we have:

cos(90°-A) = BH/AB

Using the Pythagorean theorem, we have:

AB² = AH² + BH²

Dividing both sides by AB², we get:

AB²/AB² = AH²/AB² + BH²/AB²

1 = (sin A)² + (cos A)², since sin A = AH/AB and cos A = BH/AB.

Therefore, sin A = √(1 - (cos A)²).

Substituting cos A = BH/AB, we get:

sin A = √(1 - (BH/AB)²)

Multiplying the numerator and denominator by AB², we get:

sin A = √(AB²/AB² - BH²/AB²)

sin A = √(1 - (BH/AB)²), which is the desired result.

Therefore, sin A = cos(90°-A).

A group of students were surveyed to find out if they like watching television or reading during their free time. The results of the survey are shown below:

90 students like watching television
20 students like watching television but do not like reading
80 students like reading
40 students do not like watching television

Make a two-way table to represent the data and use the table to answer the following questions.

Part A: What percentage of the total students surveyed like both watching television and reading? Show your work. (5 points)

Part B: What is the probability that a student who does not like watching television also does not like reading? Explain your answer. (5 points)

Answers

Solution for Part A: 10.53% of the total students surveyed like both watching television and reading. Solution for part B: all the students who do not like watching TV, 67% of them also do not like reading.

The probability that the students who do not like watching TV, 67% of them also do not like reading. We can calculate it in the following manner.

To create a two-way table, we can use the information given in the survey:

Watching         TV        Not Watching TV     Total

Reading           20              60                      80

Not Reading   70               40                      110

Total                90               100                    190

Part A:

To find the percentage of students who like both watching television and reading, we look at the number of students who like watching TV and reading, which is 20, and divide it by the total number of students surveyed, which is 190. Then, we multiply the result by 100 to express it as a percentage:

(20/190) x 100 = 10.53%

Therefore, 10.53% of the total students surveyed like both watching television and reading.

Part B:

To find the probability that a student who does not like watching television also does not like reading, we look at the number of students who do not like watching TV and do not like reading, which is 40, and divide it by the total number of students who do not like watching TV, which is 40 + 20 = 60.

Therefore, the probability that a student who does not like watching television also does not like reading is:

40/60 = 2/3 or 0.67

This means that out of all the students who do not like watching TV, 67% of them also do not like reading.

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the source, format, assumptions and constraints, and other facts concerning certain data are called .

Answers

The source, format, assumptions and constraints, and other facts concerning certain data are collectively called 'metadata'.

Metadata provides information about data that helps users understand and use it effectively.

Some examples of metadata include,

The date and time the data was collected.

The file format of the data.

The units of measurement used.

And any assumptions or limitations that were made during the collection or analysis of the data.

By providing metadata along with the data, users can better understand the context and quality of the data.

This can help them make more accurate and informed decisions.

Metadata is classified into three types which are known as descriptive, administrative, and structural.

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artificial turf is being used to cover a playing field. if the field is rectangular with a length of 120 yd and a width of 80 yd, how much artificial turf must be purchased to cover the field?

Answers

You need to purchase 9,600 square yards of artificial turf to cover the playing field.

To find out how much artificial turf must be purchased to cover the field, you need to calculate the area of the rectangular field. Here's a step-by-step explanation:

1. Note the length and width of the field: Length = 120 yards, Width = 80 yards.
2. Calculate the area by multiplying the length and width: Area = Length × Width.
3. Plug in the given dimensions: Area = 120 yd × 80 yd.
4. Calculate the result: Area = 9,600 square yards.

Therefore, you need to purchase 9,600 square yards of artificial turf to cover the playing field.

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Can someone help me ASAP it’s due tomorrow. I will give brainliest if it’s all done correctly. Show work.

Answers

Answer:

Step-by-step explanation:

[tex]P(\text{even})=\frac{3}{6} =\frac{1}{2}[/tex]

[tex]P(5)=\frac{1}{6}[/tex]

The events are on different rolls which means they are mutually exclusive, so we multiply them:

             [tex]P(\text{even on roll 1, a 5 on roll 2})=\frac{1}{2} \times \frac{1}{6} =\frac{1}{12}[/tex]

Answer:

the probability of getting even number on first roll and 5 in second roll is 1/12

Step-by-step explanation:

8. true or false: the population parameter will always be between the lower and upper bounds of the confidence interval. 9. true or false: the sample statistic will always be between the lower and upper bounds of the confidence interval.

Answers

The population parameter will always be between lower and upper bounds of the confidence interval. - True, whereas sample statistic will always be between lower and upper bounds of the confidence interval - False

With a certain degree of certainty, the population parameter is anticipated to lie between the lower and higher limits of the confidence interval. The confidence interval, which gives an interval estimate of the unidentified population parameter, is created based on the sample data. The interval's level of confidence shows the amount of ambiguity we are prepared to accept when determining the actual population parameter.

The confidence interval's lower and upper limits may or may not be met by the sample statistic used to compute them. A single point estimate, the sample figure is susceptible to sampling error. On the other hand, based on the observed sample data and the selected degree of confidence, the confidence interval is a range of values that we can be fairly confident includes the true population parameter.

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the statistic that half of all marriages end in divorce is an accurate depiction of the situation. question 12 options: true false

Answers

The actual divorce rate in the United States is around 39%, and it is important to consider the specific factors that contribute to divorce rates rather than relying on a generalization about marriage.

The statistic that half of all marriages end in divorce is not an accurate depiction of the situation.

The statement is false.The statement that half of all marriages end in divorce is a widely held belief that has been perpetuated by popular media, but it is not an accurate depiction of the situation.

The actual divorce rate in the United States has been declining since the 1980s and is currently around 39%.The misconception about the high divorce rate is due in part to the fact that many people get divorced more than once, inflating the overall divorce rate.

Additionally, certain demographics are more likely to get divorced than others, such as those who marry at a young age or those with lower levels of education. Therefore, it is important to consider the specific factors that contribute to divorce rates rather than relying on a generalization about marriage.In conclusion, the statement that half of all marriages end in divorce is false.

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2.x and why are 120 M apart M is D midpoint of x and y and object travel from x2m in 12 seconds and then from M to Y at an average speed of 15 M per second find the time taken for the object to travel from M m2y

Answers

The time taken for the object to travel from M to Y is 4 seconds.

To solve this problem, we will first find the distance between points M and Y, and then use the given average speed to find the time taken for the object to travel from M to Y.
Step 1: Find the distance between points M and Y
Since M is the midpoint of X and Y, and X and Y are 120 meters apart, we can find the distance between M and Y by dividing the total distance by 2:
Distance (M to Y) = (Total distance)/2 = 120 meters / 2 = 60 meters
Step 2: Find the time taken for the object to travel from M to Y
We are given the average speed of the object traveling from M to Y as 15 meters per second. We can use the formula: Time = Distance / Speed.
Time (M to Y) = Distance (M to Y) / Average speed = 60 meters / 15 meters per second = 4 seconds.

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Find the value of x in the triangle shown below.

125°
21°

Answers

Answer:

34 degrees

Step-by-step explanation:

add the two known degrees then subtract from 180

6. Given the fact that a credit card balance can change every day, which of the following
best describes how interest is calculated?
Interest is calculated yearly using the total amount spent that year.
Interest is calculated monthly but only on the carry-over balances.
Interest is calculated monthly using the total amount spent that month.
Interest is calculated using average daily balances.
a.
b.
C.
d.

Answers

Answer: b

Step-by-step explanation:

khan

5 pound box of detergent will wash 20 loads. A 5 pound box cost $3.50. A 15 pound box cost $10.00. About how much will you save per load if you buy the 15 pound box?

Answers

Hence, if you purchase the 15-pound box rather than the 5-pound box, you will save roughly $0.0083 every load.

what is unitary method ?

A problem-solving technique known as the unitary method is determining the value of only one unit and utilising that value to determine the value of another quantity which is either a multiple or indeed a fraction of the unit. It is frequently employed in maths, particularly in numeracy and algebra. In the unitary technique, a ratio or percentage is used to solve a problem where two quantities are related to one another by a constant number, that is, the value of one unit. This approach can be used to solve issues involving rates, costs, ratios, and other comparable quantities.

given

Let's start by calculating the price per load of the 5-pound package.

Cost per load is calculated as Box Cost / Number of Loads ($3.50 / 20 = $0.175).

Let's now calculate the price per load for the 15-pound box:

Cost each load is box price / the number of loads, which is $10.00 / (3 x 20) = $10.00 / 60 = $0.1667 per load.

to calculate the amount you will save per load if you purchase the 15-pound package.

Expense per load of a 5-pound box minus savings per load - The price per 15-pound box load.

Savings per load are equal to $0.175 - $0.1667, or $0.0083. (rounded to the nearest cent)

Hence, if you purchase the 15-pound box rather than the 5-pound box, you will save roughly $0.0083 every load.

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PLEASE HELP!! Puzzle One
Determine the volume of the following cylinders with the given dimensions. To break the code, substitute your answers in for the correct letters. Make sure to follow the order of operations! Round your answers to the hundredth place. Use 3.14 for an approximation for pi.

Answers

Therefore, the value of Code is 3954.076 and volumes of cylinders are:   A)1539.38 cubic meters B)2892.8 cubic feet C)2712.96 cubic inches D)111.304 cubic inches.

What is volume?

Volume is the measure of the amount of space that a three-dimensional object occupies. It is often measured in cubic units such as cubic meters, cubic feet, or cubic centimeters. The volume of an object can be determined by multiplying its length, width, and height (or depth) together, or by using specific formulas for the shape of the object.

Here,

A) Volume of cylinder = πr²h

= 3.14 x (15/2)² x 7

= 1539.38 cubic meters

B) Volume of cylinder = πr²h

= 3.14 x 8² x 14.4

= 2892.8 cubic feet

C) Volume of cylinder = πr²h

= 3.14 x 6² x 24

= 2712.96 cubic inches

D) Volume of cylinder = πr²h

= 3.14 x 2² x 8.9

= 111.304 cubic inches

Code = (2892.8 + 2712.96) - (111.304 + 1539.38)

Code = 5604.76 - 1650.684

Code = 3954.076

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a coin is tossed 8 times which of the following represents the probability of the coin landing on heads all 8 times

Answers

Answer:

Probability = 1/256

Step-by-step explanation:

We Know

A coin has two faces, so there are two possible outcomes for every toss (head or tail); the sample space for a coin tossed 8 times is [tex]2^{8}[/tex] = 256

Landing on heads all 8 times is just one of the possible outcomes: 1

So, the probability is 1/256

1)Write down the quadrants of given points ? (-7,-4)
2) IF X-1/4 =4, prove that (x+1/x)² =20​

Answers

Answer:

1)The given point (-7,-4) is located in the third quadrant of the coordinate plane.We start with the given equation:X - 1/4 = 4Adding 1/4 to both sides, we get:X = 4 + 1/4X = 17/4Now, we substitute this value of X in the expression to be proved:(x + 1/x)² = [(17/4) + 1/(17/4)]²= [(17/4) + 4/17]²= [(289 + 16)/(4 x 17²)]²= (305/289)²= 20.06 (rounded to two decimal places)Therefore, we have proved that (x + 1/x)² = 20.

Step-by-step explanation:

(;

!!HELP!!

12x^5+24x^4+27x^3 Name the polynomial by number of terms.


A. Binomial

B. 6 Term Polynomial

C. Trinomial

D. Monomial

Answers

Answer

the answer is a 6 Term polynomial

How is decomposing a composite
figure to find its area similar to using a net to find the
surface area of a trapezoidal prism? Explain.
I

Answers

The processes of decomposing a composite figure and using a net to find the surface area of a trapezoidal prism both require a solid understanding of these basic geometric concepts.

What is the surface area of a trapezoidal prism?

Decomposing a composite figure involves breaking it down into simpler shapes whose individual areas can be calculated, and then adding them up to find the total area of the figure.

Similarly, using a net to find the surface area of a trapezoidal prism involves unfolding or flattening the 3D shape into 2D shapes that can be measured and the entire surface area by adding them all together.

Additionally, both methods rely on basic geometric principles and formulas, such as the area of a rectangle, triangle, or trapezoid.

Therefore, the process of decomposing a composite figure and using a net to find the surface area of a trapezoidal prism both require a solid understanding of these basic geometric concepts.

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The given question is incomplete. the complete question is given below:

Higher ordered thinking How is decomposing a composite

figure to find its area similar to using a net to find the

surface area of a trapezoidal prism? Explain.

I

the purpose of sampling is to select a set of elements from a population so that the descriptions of the sample accurately portray the population. this is best achieved through the use of

Answers

The purpose of random sampling is to select a set of items from a population such that the sample description accurately represents the population.

Random sampling is a type of sampling in which the researcher randomly selects a subset of participants from a population. Each member of the population has an equal chance of being selected. Data is then collected from as high a percentage of this random subset as possible. Simple random sampling selects a smaller group (sample) from a larger group of the total number of participants (population).

Samples are at the heart of survey research. It is often called the population microcosm, and the process of drawing a sample should maximize the similarity of the sample to the population under study. Sampling is therefore the selection of a set of elements from a population whose description accurately describes the parameters of the total population from which the sample is selected.

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five of these six triple integrals are over the same region of space: the tetrahedron pictured below with vertices at (0, 0, 0), (0, 0, 1), (1, 0, 0) and (1, 1, 0). one of these triple integrals is over a different region. which one is different?

Answers

All five of the triple integrals are over the same region of space, they should produce the same result so the one that produces a different result must be over a different region.

a. The triple integral for F(x, y, z) over the region D with order of integration dy dz dx is x=0 to 1, y=0 to x and z=0 to 1-x-y.

b. The triple integral for F(x, y, z) over the region D with order of integration dx dy dz is z=0 to 1, y=0 to 1-z and x=y to 1-z.

c. The triple integral for F(x, y, z) over is 0 ≤ z ≤ 1 - x - y, 0 ≤ x ≤ y and 0 ≤ y ≤ 1.

To evaluate the function F(x, y, z) over the region D, we need to set up the appropriate triple integral. Since the order of integration is given, we can use that to determine the limits of integration.

(a) dy dz dx:

In this order of integration, we integrate with respect to y first, then z, then x.

The limits of integration for x are from 0 to 1.

For y, the limits of integration depend on the value of x. When x is between 0 and y, the limits of y are from 0 to 1. When x is between y and 1, the limits of y are from 0 to x.

For z, the limits of integration depend on the value of y and x. When x is between 0 and y, and y is between 0 and 1, the limits of z are from 0 to 1 - x - y. When x is between y and 1, and y is between 0 and x, the limits of z are from 0 to 1 - x - y.

Therefore, the triple integral for F(x, y, z) over the region D with order of integration dy dz dx is:

∫∫∫ F(x, y, z) dy dz dx

x=0 to 1

y=0 to x

z=0 to 1-x-y

(b) dx dy dz:

In this order of integration, we integrate with respect to x first, then y, then z.

The limits of integration for z are from 0 to 1.

For y, the limits of integration depend on the value of z. When z is between 0 and 1 - x - y, the limits of y are from 0 to 1 - x - z. When z is between 1 - x - y and 1 - x, the limits of y are from 0 to x + y - 1.

For x, the limits of integration depend on the value of y and z. When z is between 0 and 1 - x - y, and y is between 0 and 1 - x - z, the limits of x are from 0 to 1 - z. When z is between 1 - x - y and 1 - x, and y is between 0 and x + y - 1, the limits of x are from y to 1 - z.

Therefore, the triple integral for F(x, y, z) over the region D with order of integration dx dy dz is:

∫∫∫ F(x, y, z) dx dy dz

z=0 to 1

y=0 to 1-z

x=y to 1-z

(c) dz dx dy:

In this order of integration, we integrate with respect to z first, then x, then y.

The limits of integration for y are from 0 to 1.

For x, the limits of integration depend on the value of y. When y is between 0 and x, the limits of x are from 0 to y. When y is between x and 1, the limits of x are from 0 to 1 - y.

For z, the limits of integration depend on the value of x and y. When y is between 0 and x, and x is between 0 and 1, the limits of z are from 0 to 1 - x - y. When y is between x and 1, and x is between 0 and 1, the limits of z are from 0 to 1 - y.

Therefore, the triple integral for F(x, y, z) over the region D in the order of integration dz dx dy is:

∫∫∫ F(x, y, z) dz dx dy

where the limits of integration are:

0 ≤ z ≤ 1 - x - y

0 ≤ x ≤ y

0 ≤ y ≤ 1

So, we can write:

∫∫∫ F(x, y, z) dz dx dy = ∫₀¹ ∫₀¹-y ∫₀¹-x-y F(x, y, z) dz dx dy

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The question is -

Evaluate the function, F ( x, y, z ) over the region D, a tetrahedron with vertices ( 0, 0, 0 ), ( 1, 1, 0 ), ( 0, 1, 0 ), and ( 0, 1, 1 ). Set up the appropriate triple integral if the order of integration is, (a) dy dz dx. (b) dx dy dz. (c) dz dx dy. Which one is different?

the boxplot below display the amount of time your previous classmates study in hours in a week (from your class survey!). what is true about the boxplot? select all that apply.

Answers

The specific boxplot provided to determine which of these characteristics are true for that particular dataset.

The student question is asking about the characteristics of a boxplot

displaying the amount of time previous

classmates studied in hours per week. Since there is no boxplot provided, I will give you a general overview of what

could be true about a boxplot:

1. The boxplot shows the median, which is the middle value of the dataset.

2. The boxplot displays the lower quartile (Q1) and the upper quartile (Q3), representing the 25th and 75th percentiles,

respectively.

3. The boxplot can help identify the range, which is the difference between the minimum and maximum values.

4. The boxplot can help detect potential outliers in the data.

5. The boxplot provides a visual representation of the data's overall distribution and spread.

Remember that you need to look at the specific boxplot provided to determine which of these characteristics are true

for that particular dataset.

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Which of the following errors did you include in
your description?
Raul should have first removed the innermost
grouping symbols, the parentheses, by
distributing 7h.
He should not have added like terms before
multiplying.
Raul only multiplied the 10h times the 2 and
forgot to multiply it through the quantity to the
-h.
DONE

Answers

The error you include in is: You only multiplied the 10h times the 2 and forgot to multiply it through the quantity to the -h.

What are the errors?

1. Raul should have first removed the innermost grouping symbols, the parentheses, by distributing 7h: In the original problem, Raul added the terms inside the parentheses before multiplying them by 7h, which is incorrect. To simplify the expression correctly, Raul should have first distributed 7h to both terms inside the parentheses, and then combined like terms.

2. He should not have added like terms before multiplying: Raul also made the mistake of adding the like terms 10h and -2h before multiplying them by 7h. It is important to perform all multiplication and division operations before addition and subtraction operations.

3. Raul only multiplied the 10h times the 2 and forgot to multiply it through the quantity to the -h: In the original problem, Raul correctly multiplied 7h by -2h to get -14h², but made the mistake of only multiplying 10h by 2, rather than multiplying the entire quantity (2h - 5) by 10h. This mistake led to the incorrect term 20h in Raul's final answer.

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solve the following initial-value problems starting from y0 = 6 . dy/d t = − 6y a. y = ____
at what time does y increase to 100 or drop to 1? round your answer to four decimal places.
b. t = ____

Answers

y increases to 100 after approximately 1.9611 time units and drops to 1 after approximately 0.1155 time units. Rounded to four decimal places, the answers are:

a. y = 100 at t = 1.9611

b. y = 1 at t = 0.1155

This is a first-order differential equation with a variable separable form:

dy/y = -6 dt

Integrating both sides, we get:

ln|y| = -6t + C

where C is the constant of integration. Solving for y, we get:

y = Ce^(-6t)

Using the initial condition y(0) = y0 = 6, we get:

6 = Ce^(0)

C = 6

Therefore, the equation for y is:

y = 6e^(-6t)

To find the time at which y increases to 100 or drops to 1, we solve for t:

For y = 100:

100 = 6e^(-6t)

e^(-6t) = 100/6 = 50/3

-6t = ln(50/3)

t = -ln(50/3)/6

For y = 1:

1 = 6e^(-6t)

e^(-6t) = 1/6

-6t = ln(1/6) = -ln(6)

t = ln(6)/6

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lottery: every day, jorge buys a lottery ticket. each ticket has a probability of 0.2 of winning a prize. after seven days, what is the probability that jorge has won at least one prize? round your answer to four decimal places.

Answers

The probability after seven days of buying a lottery that Jorge would have at least one prize is 0.9364, rounded to four decimal places.

The question suggests that the probability of winning a prize on a single lottery is 0.2. This means that the probability of not winning a prize on that ticket is 0.8. This is because the probability is a total sum of 1. Hence, probability of not winning the prize:

1 - 0.2 = 0.8.

If Jorge has bought the tickets consistently, the probability would be multiplied the specific times. Therefore, the probability of not winning a prize on that ticket after seven days is equal to (0.8)⁷. Now the probability of winning a prize after seven days would be:

1 - (0.8)⁷ = 0.9364.

Therefore, the probability that Jorge has won at least one prize after seven days of buying lottery tickets is 0.9364 rounded to four decimal places.

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Pls help fast, I need the answer soon

Write 3a^2b^3c^5/8x^4y^3z using no denominator. (fraction line is necessary. Use x for multiplication between numbers.)

(The x 2 is required, and also I crossed out the spaces that aren't needed

Answers

Answer:

3a^2b^3c^5

—————— x 2^(-3) x^(-4)y^(-3)z^(-1)

8

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