As part of a demographic study, a college administrator needed to survey a sample of students from the college. From each major offered at the college, the administrator randomly selected 5 percent of the students with that major to participate in the survey.

Required:
What is the best description of the type of sample selected by the administrator?

Answers

Answer 1

Answer:

Option D is correct

Step-by-step explanation:

The options for the question is

a)cluster sample

b)convenience sample

c)simple random sample

d)stratified random sample

e)systematic random sample

Solution

The sampling here comprises of students from all the major of college. Here the major can be considered as "strata" of the educational institute. Out of these, strata or majors five students are selected on random basis.

This is a form of stratified random sample

Hence, option D is correct


Related Questions

5,430 is 181% of what number?

Answers

Answer:

3000

Step-by-step explanation:

5430=1.81x

solving for x, we take 1, which is equal to 100%, and divide it by 1.81 to get 1/1.81 or 0.55248618

multiply 1/1.81 by 5430 to get 3000

The graph represents the number of cans produced at a factory with four machines.

What is the constant of proportionality?

A. 4
B. 5
C. 10
D. 15

PLEASE don’t answer if you don’t know the answer! Whoever answers correctly will get Brainliest :)

Answers

Answer:

15

Step-by-step explanation:

we have to divide a value of y by a value of x

(15: 1) = 15

we can check this result by do other tries.

(30:2) = 15

(45:3) = 15

(60:4) = 15

The graph shows the cube root parent function Which statement best describes the function?

Answers

Answer:

The graph of the cube root function is a continuous and smooth curve that starts at the point (0,0) and extends indefinitely in both the positive and negative directions on the x-axis. The graph increases as x increases from negative infinity to 0, and then decreases as x increases from 0 to positive infinity.

The graph has a vertical asymptote at x = 0, meaning that as x approaches 0 from either direction, the y-values of the points on the graph become very large. However, since the function is defined as the cube root of x, the function is not actually defined at x = 0, so the asymptote is not part of the graph.

The function is an odd function, which means that it is symmetrical about the y-axis. This means that if we were to reflect the part of the graph that is to the right of the y-axis over the y-axis, the resulting graph would exactly match the part of the graph that is to the left of the y-axis.

Overall, the graph of the cube root function is a smooth curve that starts at (0,0) and extends indefinitely in both directions on the x-axis, with a vertical asymptote at x = 0 and symmetry about the y-axis.

Clothing donations are collected to help a family in need. The function g(x) represents the number of items collected where x is the number of people who donated. Does a possible solution of (60,10) make sense for this function? Explain yojr answer

Answers

Answer:

No   g(x) = x/6     for (60, 10) to be a possible solution

by this function 60 people would have to donate 1/6th of a garment each to achieve 10 full garments

Step-by-step explanation:

g(x)   number of items

   x   number of people  

the data point (60, 10) make sense as a possilbe solution     NO

g(x) = number of items       x = 60   g(x) = 10

g(60) = x/6 = 10              

         = 60/10            

by this function 60 people would have to donate 1/6th of a garment each to achieve 10 full garments

Given it was not a strike, what is the probability it was a knuckle
ball? Enter the answer as a percent (%)to the nearest tenth.

Answers

In response to the above problem, we may state that the triangle's - 5/13 measurements correspond to sin and cos.

Trigonometric functions: what are they?

The first six essential trigonometric functions are used in trigonometry. These functions are trigonometric ratios. The sine function, cosine function, secant function, co-secant function, tangent function, and co-tangent function are the six basic trigonometric functions. The side ratio of a right-angled triangle is equivalent to the identities and functions of trigonometry. Trigonometric formulas are applied to the perpendicular side, hypotenuse, and base of a right triangle in order to calculate the sine, cosine, tangent, secant, and cotangent values.

as base/hypotenuse = cos x

and sin x = hypotenuse/perpendicular

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A scientist collects a bacteria sample that begins with 7 million microbes. The sample doubles in the number of microbes every 30 minutes. The sample can be represented by the exponential equation, y = 7⋅2^t/30. Which of the following represents the equation solved for t?

Answers:
A. 30log(14) = t
B. 30 log (y-7/2)=t
C. 30log2(y/7) = t
D. 30log14 y = t

Answers

Answer:

sooo like my dude i dont actually dont know

Step-by-step explanation:

so my dude might be A dont fricking know fricking idiot lol bozo

Answer: i think C

Step-by-step explanation:

Two cards are drawn from a standard deck of cards without replacement. Find the probability of drawing a heart and a club in that order

Answers

Given:

Two cards are drawn from a standard deck of cards without replacement.

To find:

The probability of drawing a heart and a club in that order.

Solution:

We have,

Total number of cards = 52

Number of cards of each suit (Spade, club, diamond, heart) = 13

The probability of drawing a heart card is:

[tex]P(Heart)=\dfrac{\text{Number of heart cards}}{\text{Total number of cards}}[/tex]

[tex]P(Heart)=\dfrac{13}{52}[/tex]

[tex]P(Heart)=\dfrac{1}{4}[/tex]

Now, the number of remaining card is 51. So, the probability of drawing a club card is:

[tex]P(club)=\dfrac{\text{Number of club cards}}{\text{Total number of remaining cards}}[/tex]

[tex]P(club)=\dfrac{13}{51}[/tex]

Using these probabilities, the probability of drawing a heart and a club in that order is:

[tex]P(\text{Heart and club})=P(\text{Heart})\times P(\text{Club})[/tex]

[tex]P(\text{Heart and club})=\dfrac{1}{4}\times \dfrac{13}{51}[/tex]

[tex]P(\text{Heart and club})=\dfrac{13}{204}[/tex]

Therefore, the required probability is [tex]\dfrac{13}{204}[/tex].

We have a circle with a diameter of 6.5 km. What is the area of this square ?​

Answers

Answer:

33.18

Step-by-step explanation:

The formula for the area of a circle is A = π r2, where r is the length of the radius of a circle. We can use our knowledge that a diameter is made up of two radii to understand that r = d/2. With this knowledge, you can rewrite the formula for the area of a circle as A = π (d/2)2.

Hope it made sense :)

help me i need help
what is 9/10-4/10

Answers

1/2
It stays the same denominator all you have to do is subtract 9 & 4

1 - 3/10 - 1/10 please help

Answers

Answer:

0.2 in decimal form and 1/5 in fraction form

Step-by-step explanation:

Answer:

-3/10-1/10

= -4/10

Step-by-step explanation:

-3-1=-4............

If u are supposed to reduce to simplest form

-2/5

823× 3.6 weekly math review homework for fifth grade

Answers

2962.8 is your answer

the price of a sandwich decreases from $8 to $6 what is the percentage decrease in the price of the sandwich

Answers

Answer:

The percentage decrease is 25%.

Step-by-step explanation:

The difference in price is $2:

$8 - $6 = $2

Now to find the percentage decrease, we use the formula decrease in price divided by original price (or new/old) times 100:

2/8 * 100.

This equals 200/800 which is 25%.


Enter the distance between each pair of islands. Use
the sketch tool if it helps with your thinking.
Press I'Find the Coconuts" to check your work.
Island
Distance Between Islands
(miles)
A(10,10)
B(18,4)
C(25,-5)​

Answers

9514 1404 393

Answer:

  AB = 10

  BC ≈ 11.40

Step-by-step explanation:

The distance formula is useful for finding distances between points.

  d = √((x2 -x1)² +(y2 -y1)²)

  AB = √((18 -10)² +(4 -10)²) = √(8² +(-6)²) = √100

  AB = 10

__

  BC = √((25 -18)² +(-5-4)²) = √(7² +(-9)²) = √130

  BC ≈ 11.40

_____

A sketch tool can be useful for finding or checking the answer.

please help with this i have to pass

Answers

Answer:

A ..

Step-by-step explanation:

What is the distance between points A and B?
5
.
2
11 units
2 units
9 units
7 units

Answers

6 because when you that the that, then the that times the that will equal that. hope this helped!

The graph of a quadratic function with vertex (2, -4) is shown in the figure below.
Find the domain and the range.
101
پہلے
<+
-10
10
Write your answers as inequalities, using x or y as appropriate.
Or, you may instead click on "Empty set" or "All reals" as the answer.

Answers

In the graph of a quadratic function with vertex (2, -4) is shown in the figure, the Domain: -∞ < x < ∞ and Range: -4 ≤ x < ∞.

What is quadratic function?

When a polynomial function has one or more variables and the highest exponent of any one of the variables is two, the function is said to be quadratic function.

A polynomial of degree 2 is referred to as such because the highest degree term in a quadratic function is of second degree. There must be at least one second-degree term in a quadratic function. This function is algebraic.

Domain for this quadratic function is all possible values of x where function is defined.

Thus, Domain: -∞ < x < ∞

Range is the set of value functions that correspond to the value 'x.'

Range: -4 ≤ x < ∞

Learn more about quadratic function

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Can y’all help me on question 10?!

Answers

Answer:

B

Step-by-step explanation:

N=4x0+12=12

Answer:

12

Step-by-step explanation:

N = 4m + 12 =

N = (4 x 0) + 12

N = 0 + 12 =

N = 12

What is the average rate of change between (4,1) and (3,5)

Answers

The answer is probably somewhere online

If you place a 21-foot ladder against the top of a building and the bottom of the ladder
is 12 feet from the bottom of the building, how tall is the building? Round to the
nearest tenth of a foot.

Answers

17.2 ft. That is the hight.

Solve the following mentally 65% of 100

Answers

Answer: 65

Step-by-step explanation:

Find FJ plsssssssssssss

Answers

Answer:

the value of FJ would end up being 10

Answer:

10

Step-by-step explanation:

find the value of x in the isosceles triangle shown below​

Answers

Answer:

A

Step-by-step explanation:

The segment from the vertex to the base , bisects the base at right angles

Then there are 2 right triangles with legs x and 4 and hypotenuse [tex]\sqrt{52}[/tex]

Using Pythagoras' identity in either of the 2 right angles

x² + 4² = ([tex]\sqrt{52}[/tex] )²

x² + 16= 52 ( subtract 16 from both sides )

x² = 36 ( take the square root of both sides )

x = [tex]\sqrt{36}[/tex] = 6 → A

please help will give brainliest

Zachary's car used 15 gallons to travel 645 miles. At what rate does the car use gas, in miles per gallon?

On the double number line below, fill in the given values, then use multiplication or division to find the missing value.

Answers

1 gallon = 43 miles
15 gallon= 645 miles

From this, 645/15=43 miles per gallon.

PLEADE HELP

What does no solution look like and the same to two solution, one solution?


Answers

Answer:

Is there an image?

Step-by-step explanation:

What is the surface area?
What is the surface area of E

Answers

Answer:

yes

Step-by-step explanation:

Answer:

412 (pls add the unit cuz i dont learn yd thx)

Step-by-step explanation:

13*12/2*4 + 10*10

= 312 + 100

= 412

For what value of a does (1/9)^a+1 = 81^a+1 • 27^2-a

Answers

Answer: a = -4

Step-by-step explanation:

In the given figure, AE/IBC, square ABCD and triangle EBC are standing a
common side BC. If the length of AC is 6 cm, find the area of AEBC.
A
D
E
B
O
12 cm2
O
18 cm?
o
36 cm2
O
9 cm2​

Answers

The area of AEBC IS 36 cm 2 I think

Answer:

The area of AEBC is 36 cm²

hope it is helpful to you

50 POINTS !!


PLEASE HELP !! ILL GIVE BRAINLIEST TO THE RIGHT ANSWERS.

Answers

=>(c)^2=(a)^2+(b)^2

=>(c)^2=(56)^2+(33)^2

=>(c)^2=3136+1089

=>(c)^2=4225

=>c=√4225

=>c=65 metre

How many real solutions does this system of equations have? x²+y²=36
3x-y+1=0
A.0
B. 2
C. 3
D. 1

Answers

This system of equations have 2 real solution.

Do fractions actually solve problems?

As a result, all of these numbers—rational and otherwise—as well as fractions are regarded as real numbers. Due to the decimal's ability to float within the numbers, real numbers with decimal points are known as floating point numbers. No whole number or integer can be a floating point number.

y = 3x + 1 is a solution to 3x - y + 1 = 0.

This line's y-intercept is represented by (0, 1). Plot this point inside the circle with radius 6 that was previously mentioned, and then draw a straight line through it with a slope of 3.

Two points where this line crosses the circle denote actual solutions.

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Only answer if you’re a hundred percent sure. The answer has to be a single number.

Answers

Answer:

The answer should be -4/1 or just -4.

Step-by-step explanation:

y/x

The change in y is reducing by 4. The change in x is adding 1

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