The given statement "The estimated simple linear regression equation minimizes the sum of the squared deviations between each value of y and the line" is true because it provides the best fit line.
The simple linear regression equation estimates the relationship between two variables - a dependent variable (y) and an independent variable (x) - by fitting a straight line through the data points.
The line is chosen so that the sum of the squared deviations (also known as the sum of squared errors or SSE) between the observed values of y and the predicted values of y on the line is minimized.
In other words, the simple linear regression equation finds the line that is closest to all the data points in terms of the vertical distance between the points and the line.
This line is chosen to minimize the sum of squared deviations because it provides the best estimate of the relationship between x and y, and it allows for the prediction of y values for a given x value.
Thus, minimizing the sum of squared deviations is a crucial aspect of the simple linear regression equation because it ensures that the line of best fit provides the most accurate estimate of the relationship between the variables.
To learn more about regression click on,
https://brainly.com/question/31037753
#SPJ4
if you randomly draw a single coin out of the bag, what is the probability that you will obtain either a quarter or a nickel
Given how many coins are provided in the bag determines the chances for example of its a single nickel and a single quarter it'd be q50/n50 though if there's two nickels and one quarter there would be a n75/q25 chance.
solve the inequality
`-5x+2<=12`
The solution for the inequality is obtained as: x =>-2
Explain about the inequality of the number?In mathematics, "inequality" refers to a relationship between equations or values that is not equal to each other. Hence, inequality emerges from a lack of balance.
We can see the values that an inequality represents by placing it on a number line. On a number line, inequalities are represented by tracing a straight path and designating the end points by using an open or closed circle.The given inequality
-5x + 2 <= 12`
Subtract each side by - 2
-5x + 2 - 2 <= 12 - 2
-5x <= 10
Dive each side by -5 (it will reverse the sign)
-5x / -5 => 10/-5
x => -2
Thus, the solution for the inequality is obtained as: x =>-2
Know more about the inequality of the number
https://brainly.com/question/24372553
#SPJ1
Find the center and radius of a circle with the equation x^2 + y^2 = 20.
The given equation of the circle is:
[tex] \rm \: x^2 + y^2 = 20[/tex]
We can write this equation in standard form by completing the square:
[tex] \rm x^2 + y^2 = 20[/tex]
[tex] \rm x^2 + y^2 - 20 = 0[/tex]
[tex] \rm (x^2 - 2x + 1) + (y^2 - 20) = 1[/tex]
[tex] \rm (x - 1)^2 + y^2 = 21[/tex]
Therefore, the center of the circle is (1, 0) and the radius is the square root of 21.
What is the probability that a random sample of 52 pregnancies has a mean gestation period of 222 days or less?The probability that the mean of a random sample of 52 pregnancies is less than 222 days is approximately ____. (Round to four decimal places as needed.)
The probability that the mean of a random sample of 52 pregnancies is less than or equal to 222 days is approximately 0.0005 (rounded to four decimal places).
Let's discuss it further below.
To solve the problem, we use the z-score formula, which is as follows:
z=(X−μ)/σX = sample mean = 222 days
μ = population mean = 226 days
σ = standard deviation of the population = 15 days
n = sample size = 52
To find the probability, we need to convert the sample mean to a z-score, which is calculated as follows:
z=(X−μ)/σ=(222−226)/(15/√52)=−4/2.096=−1.91
Now we need to find the probability that a random sample of 52 pregnancies has a mean gestation period of 222 days or less, which is equivalent to finding the probability that a z-score is less than or equal to −1.91.
Using a z-table or calculator, we find that the probability of a z-score being less than or equal to −1.91 is approximately 0.0005 (rounded to four decimal places).
Therefore, the answer is 0.0005.
Learn more about probability.
brainly.com/question/30034780
#SPJ11
A rectangular yard measuring 29 ft by 45 ft is bordered (and surrounded) by a fence. Inside, a walk that is 4ft wide goes all the way along the fence. Find the area of this walk. Be sure to include the correct unit in your answer
The walkway has a 656 square foot area.
An example of a measure is what?Comparing a quantitative measurement with a recognized standard amount of some kind is the act of measurement. For instance, in the measurement 10 kg, kg is indeed the basic measure used to describe mass of a physical quantity, and 10 is the size of the physical quantity.
In order to determine the size of the walkway, we must first determine the size of the bigger rectangle that includes the yard and the walkway, from which we must then deduct the yard's area.
The dimensions of the bigger rectangle will be:
Length: 29ft + 2(4ft) = 37ft
Width: 45ft + 2(4ft) = 53ft
Hence, the larger rectangle's area is:
37ft x 53ft = 1961ft²
The yard's actual size is:
29ft x 45ft = 1305ft²
As a result, the distinction between the two sections is the size of the walkway:
1961ft² - 1305ft² = 656ft²
Hence, the walkway has a 656 square foot area.
To know more about measure visit:
https://brainly.com/question/25716982
#SPJ1
What is the area of the parallelogram
I need an answer asap!!!!!!!
Answer: A = bh
Step-by-step explanation
Area of a parallelogram is base multiplied by the height .
Help! which environmental stimulus does a flatworm's eyespots detect?
distinct shapes around them
changes in light or dark
changes in movement
a wide variety of colors
Answer:
Changes in light and dark.
Step-by-step explanation:
I also do K12 loll
Changes in light or dark is the environmental stimulus which is detected by flatworm's eyespots.
What is Environment?A sum total of all the living and non-living elements and their effects that influence human life.
Flatworm's eyespots detect changes in light or dark in the environment. They are not capable of detecting distinct shapes or a wide variety of colors.
The eyespots are simple sensory structures that are used to detect the presence or absence of light and dark, and to detect changes in light intensity.
They are primarily used to help the flatworm locate and respond to light, which can be important for activities such as finding food or avoiding predators.
Hence, changes in light or dark is the environmental stimulus which is detected by flatworm's eyespots.
To learn more on Environment click:
https://brainly.com/question/30821114
#SPJ2
true/false: let a be an n \times n matrix. a is diagonalizable if it has n eigenvalues, counting multiplicities.
The given statement " let a be an n \times n matrix. a is diagonalizable if it has n eigenvalues, counting multiplicities." is False. Because Matrix has only one linearly independent eigenvector.
Having n eigenvalues, counting multiplicities, only guarantees that A is diagonalizable over the field of complex numbers, but not necessarily over other fields such as the real numbers. The correct statement is Let A be an n × n matrix. A is diagonalizable if and only if it has n linearly independent eigenvectors.
For example, the matrix:
A = [0 1; -1 0] hhggjjjhjhjhj
has eigenvalues i and -i, but it is not diagonalizable over the field of real numbers, since it has only one eigenvector which is also linearly independent. However, it is diagonalizable over the field of complex numbers. So, the given statement is false.
To know more about eigenvalues:
https://brainly.com/question/30968941
#SPJ4
Find the center and radius of a circle with the equation x^2 + y^2 = 20.
x 2 + y 2 = 20
This is the form of a circle. Use this form to determine the center and radius of the circle.
( x − h ) 2 + ( y − k ) 2 = r 2
Match the values in this circle to those of the standard form. The variable r represents the radius of the circle, h represents the x-offset from the origin, and k represents the y-offset from origin.
r = 2 √ 5
h = 0
k = 0
The center of the circle is found at ( h , k )
. Center: ( 0 , 0 )
These values represent the important values for graphing and analyzing a circle.
Center: ( 0 , 0 )
Radius: 2 √ 5
ten percent of computer parts produced by a certain supplier are defective. what is the probability that a sample of 10 parts contains more than 3 defective ones?
The probability of a sample of 10 parts containing more than 3 defective ones is approximately 0.026.
We can use the binomial distribution to calculate the probability of getting more than 3 defective parts in a sample of 10 parts. Let X be the number of defective parts in the sample. Then X follows a binomial distribution with parameters n=10 and p=0.1, where n is the sample size and p is the probability of a part being defective.
We can calculate the probability of getting more than 3 defective parts is:
P(X > 3) = 1 - P(X ≤ 3) = 1 - [P(X=0) + P(X=1) + P(X=2) + P(X=3)]
Next, we can find that:
P(X > 3) = 0.026
Therefore, the probability of a sample of 10 parts containing more than 3 defective ones is approximately 0.026.
To know more about binomial distribution refer here:
https://brainly.com/question/14565246?referrer=searchResults
#SPJ11
HELP HELP HELP
30 points
A sketch of the graph of the function for a maximum of 4000 calculators is shown below.
The value of C(30) is equal to $12,710.
It cost $12,710 to produce 30 calculators.
C(0) is $11,750, which means that the fixed cost before any calculator is produced is $11,750.
The number of calculators that can be produced for $31,270 is 610 calculators.
The amount of profit that would be made if all the calculators are sold is $295,550.
How to sketch the graph of the function?In order to sketch the graph of the function on a coordinate plane, we would use an online graphing calculator to plot the given linear equation C(n) = 11,750 + 32n with a maximum of 4000 calculators.
In this scenario and exercise, the cost in dollars would be plotted on the y-axis of the graph while the number of calculators would be plotted on the x-axis of the graph.
For the value of C(30), we have:
C(n) = 11,750 + 32n
C(30) = 11,750 + 32(30)
C(30) = 11,750 + 960
C(30) = $12,710.
For the value of C(0), we have:
C(n) = 11,750 + 32n
C(0) = 11,750 + 32(0)
C(0) = 11,750 + 0
C(0) = $11,750.
This ultimately implies that, the fixed cost (y-intercept) is at (0, 11,750) and it means that the fixed cost before any calculator is produced is $11,750.
When cost is $31,270, the number of calculators can be determined as follows;
31,270 = 11,750 + 32n
32n = 31,270 - 11,750
32n = 19,520
n = 19,520/32
n = 610 calculators.
Lastly, we would determine the amount of profit as follows;
Profit = Selling price - Cost price
Profit = 2600(165) - [11,750 + 32(165) + 14,000 + 24500]
Profit = 429,000 - 133,450
Profit = $295,550.
Read more on profit here: brainly.com/question/15697949
#SPJ1
an individual was making blankets for some friends. the individual used 7.2 feet of fabric to make one blanket. how many feet of fabric will the individual need to make 11 blankets (round to the nearest whole number)?
The number of feet of fabric will the individual need to make 11 blankets is 79.2 feet
To find out how many feet of fabric the individual will need to make 11 blankets, we can use the unitary method.
We know that the individual used 7.2 feet of fabric to make one blanket. So, to find out how much fabric is needed to make 11 blankets, we can set up a proportion
7.2 feet of fabric is needed for 1 blanket
x feet of fabric is needed for 11 blankets
We can solve for x by cross-multiplying and then dividing
7.2 × 11 = x
x = 79.2 feet
Learn more about unitary method here
brainly.com/question/22056199
#SPJ4
what is the slope of (1,-1) (4,8)
Answer:
The slope of the line passing through the points (1, -1) and (4, 8) is 3.
Step-by-step explanation:
The slope of a line passing through two points (x1, y1) and (x2, y2) is given by the following formula:
[tex]slope = (y2 - y1) / (x2 - x1)[/tex]
Here, the given points are (1, -1) and (4, 8). So,
[tex]slope = (8 - (-1)) / (4 - 1) = 9 / 3 = 3[/tex]
Therefore, the slope of the line passing through the points (1, -1) and (4, 8) is 3.
The table below shows a set of points that have been dilated. The rule for the dilation is (x, y).
(x, y)
(0, 1)
(4,-2)
(-6,1)
True
False
Previous
(0,1)
(2,-1)
(-3,2)
O
Therefore, the table showing the original points and their corresponding dilated points is:
Original Point Dilated Point
(0,1) (0,1/2)
(4, -3) (2, -3/2)
(-6,1) (-3,1/2)
What is dilated point?I believe you might have meant "dilated point", which is a term commonly used in geometry. A dilated point is a point that has been enlarged or reduced in size with respect to a fixed center of dilation.
To dilate a point, you need to multiply its coordinates by a scale factor, which is a constant value greater than zero. If the scale factor is greater than one, the point will be enlarged, and if it is less than one, the point will be reduced in size. The fixed center of dilation is the point about which the dilated point is enlarged or reduced.
given by the question.
To apply the dilation rule of (1/2x, 1/2y) to a given point (x,y), we need to multiply the x-coordinate and y-coordinate of the original point by 1/2.
Using this rule, we can find the dilated points for the given set of points as follows:
For the point (0,1), we have:
1/2x = 1/2 * 0 = 0
1/2y = 1/2 * 1 = 1/2
So, the dilated point is (0, 1/2).
For the point (4, -3), we have:
1/2x = 1/2 * 4 = 2
1/2y = 1/2 * (-3) = -3/2
So, the dilated point is (2, -3/2).
For the point (-6,1), we have:
1/2x = 1/2 * (-6) = -3
1/2y = 1/2 * 1 = 1/2
So, the dilated point is (-3,1).
To learn more about dilation:
https://brainly.com/question/13176891
#SPJ1
what is the average rate of change of f(x) from x = -3 to x = 6? f(x) = x^2 + 4x − 15 enter your answer in the blank.
The average rate of change of f(x) from x = -3 to x = 6 is 7.
What is meant by average?
The term "average" is used to describe a number that represents the central or typical value in a set of data. There are several different types of averages, including the mean, median, and mode.
To find the average rate of change of a function, we need to compute the difference between the function values at the two given points, and then divide by the difference in the input values.
For the function [tex]f(x) = x^2 + 4x - 15[/tex], the value of the function at [tex]x = -3[/tex] is:
[tex]f(-3) = (-3)^2 + 4(-3) -15 = 9 - 12 - 15 = -18[/tex]
The value of the function at [tex]x = 6[/tex] is:
[tex]f(6) = 6^2 + 4(6) - 15 = 36 + 24 - 15 = 45[/tex]
The difference in the function values is:
[tex]f(6) - f(-3) = 45 - (-18) = 63[/tex]
The difference in the input values is:
6 - (-3) = 9
Therefore, the average rate of change of f(x) from x = -3 to x = 6 is:
average rate of change = [tex](f(6) - f(-3)) / (6 - (-3)) = 63 / 9 = 7[/tex]
So, the average rate of change of f(x) from x = -3 to x = 6 is 7.
To learn more about average visit:
https://brainly.com/question/20118982
#SPJ1
I have been stuck on this question and I can't solve it.
Please help me!!
Answer:
Step-by-step explanation:
it is either Graph A or B pick one of them
Answer:
Graph D is correct
Step-by-step explanation:
if you choose a point, let's say 0,0 and plug in the values for x and y, you'll get
[tex]0 \leqslant - 2[/tex]
Since this equation isn't true, 0,0 can't be filled.
to choose between graphs c and d, you look at the line and because c is dotted, it means it isn't solution. because your sign is less than or equal to, the line has to be solid.
therefore, graph d is the correct answer
what is the value of x?
Applying the triangle proportionality theorem, the value of x is calculated as: D. 15.
How to Apply the Triangle Proportionality Theorem?The Triangle Proportionality Theorem (also known as the Side-Splitter Theorem) states that if a line is parallel to one side of a triangle and intersects the other two sides, then it divides those two sides proportionally
Based on the triangle proportionality theorem, we have:
x - 6 / 3 = x / 5
Cross multiply:
5(x - 6) = 3x
5x - 30 = 3x
Combine like terms to find the value of x:
5x - 3x = 30
2x = 30
x = 30/2
x = 15
Learn more about the Triangle Proportionality Theorem on:
https://brainly.com/question/27777825
#SPJ1
we know the sample size is 90. for what sample proportion would the p-value be equal to 0.05? assume that all conditions necessary for inference are satisfied.
The sample proportion would be 0.5.we can calculate the proportion by plugging in n = 90, which yields a proportion of 0.5.
To determine what sample proportion would yield a p-value of 0.05, we must first understand the formula for calculating a p-value. The formula for a p-value is p-value = 1 - [tex](1 - proportion)^n[/tex], where n is the sample size. By manipulating this equation, we can solve for the proportion when the p-value is equal to 0.05. We can isolate the proportion by taking the inverse of both sides of the equation, which yields: proportion = 1 - [tex](1 - 0.05)^(1/n)[/tex]. Since the sample size is 90, we can calculate the proportion by plugging in n = 90, which yields a proportion of 0.5.
Learn more about sample here
https://brainly.com/question/25894237
#SPJ1
2x-6=2x+6 solve for x
Answer:
no solution
Step-by-step explanation:
2x - 6 = 2x + 6 ( add 6 to both sides )
2x = 2x + 12 ( subtract 2x from both sides )
0 = 12 ← false statement
this false statement indicates the equation has no solution
if you have to choose a complete meal from one of 3 meats, one of 4 vegetables, and one of 7 desserts, how many different choices are there? question 17 options:
3 meats x 4 vegetables x 7 desserts = 84 choices.
There are 84 different choices for a complete meal from the given options. To calculate this, use the formula: number of choices
Learn more about options
brainly.com/question/22100121
#SPJ11
Please Do it step by step without any explanation.
The senior class put on a talent show as a fundraiser. Tickets cost $7 for adults and $4 for students. 185 people attended the show and the ticket sales totaled $1,115. How many adults attended the show? How many students attended the show?
PLEASE HELP ME ILL GIVE BRAINLIEST
Answer:
Please choose me please
Step-by-step explanation:
Answer:
The sample may be biased because the 50 people were selected at a local college baseball game, which could introduce selection bias. People attending a college baseball game may have different characteristics than the general population of the city, and therefore may not be representative of the population's opinions on the issue of building a new football stadium using tax funds. Additionally, the fact that they were selected at a baseball game may also introduce bias, as they may be more likely to be interested in sports and therefore more likely to support a tax-funded stadium. Overall, the sample may not be representative of the population's views, and therefore the conclusions drawn from the sample may not be generalizable to the entire population.
you are planning a day at the beach and want to know if the water will be pleasant or not. suppose there is a 0.51 chance of the water being cold and a 0.57 chance of the waves being turbulent. suppose also that there is a 0.39 chance that the water is cold given that the waves are turbulent. what is the probability that the waves are turbulent given that the water is cold? round your answer to the nearest millionth, if necessary.
The probability that the waves are turbulent given that the water is cold is approximately 0.4353.
Suppose the water has a 0.51 chance of being cold and the waves have a 0.57 chance of being turbulent. In the same way, suppose that given the waves are turbulent, the water has a 0.39 chance of being cold. What is the chance that the waves are turbulent given that the water is cold?
To answer the question, we must use Bayes' theorem :P (A|B) = P (B|A) × P (A) / P (B)
Where A and B are arbitrary events. P (A) and P (B) are the probabilities of events A and B happening separately.
P (B|A) is the probability of event B happening, given that event A has happened. P (A|B) is the probability of event A happening, given that event B has happened.
We must find P (waves are turbulent | water is cold), which is P (B|A). We know that:
P (water is cold) = 0.51
P(waves are turbulent) = 0.57
P(water is cold | waves are turbulent) = 0.39
Using Bayes' theorem, we can calculate P (waves are turbulent | water is cold) as:
P (waves are turbulent | water is cold) = P (water is cold | waves are turbulent) × P (waves are turbulent) / P (water is cold)
P(waves are turbulent | water is cold) = 0.39 × 0.57 / 0.51
P (waves are turbulent | water is cold) = 0.4353 (rounded to the nearest millionth)
Therefore, the probability that the waves are turbulent given that the water is cold is approximately 0.4353.
To learn more about probability refer :
https://brainly.com/question/31120123
#SPJ11
Choose the equation that represents the line passing through the point (2, −5) with a slope of −3
The equation that represents the line passing through the point (2, -5) with a slope of -3 is y = -3x + 1 (option D).
To derive the equation of a line, we need to use the point-slope formula, which is y - y1 = m(x - x1), where m is the slope of the line and (x1, y1) is a point on the line. Plugging in the given values, we have:
y - (-5) = -3(x - 2)
Simplifying this expression, we get:
y + 5 = -3x + 6
y = -3x + 1
Thus, the equation that represents the line passing through the point (2, -5) with a slope of -3 is y = -3x + 1.
Learn more about Slope:
https://brainly.com/question/16949303
#SPJ4
Complete Question:
Choose the equation below that represents the line passing through the point (2, - 5) with a slope of −3.
A.) y = −3x − 13
B.) y = −3x + 11
C.) y = −3x + 13
D.) y = −3x + 1
Answer:
The answer is y = -3x + 1
Weekly wages at a certain factory are normally distributed with a mean of $400 and a standard deviation of $50. Find the probability that a worker selected at random makes between $450 and $550.
Answer: The probability is approximately 15.74%.
Step-by-step explanation: The probability that a worker selected at random makes between $450 and $550 can be found by standardizing the distribution of weekly wages using the formula:
z = (x - μ) / σ
where x is the weekly wage, μ is the mean weekly wage, and σ is the standard deviation of weekly wages.
Then we can use a standard normal distribution table or calculator to find the probability that a worker selected at random makes between $450 and $550.
Using this formula, we get:
z1 = (450 - 400) / 50 = 1
z2 = (550 - 400) / 50 = 3
The probability that a worker selected at random makes between $450 and $550 is equal to the probability that a standard normal random variable Z is between 1 and 3. This can be found using a standard normal distribution table or calculator.
Using a standard normal distribution table, we find that P(1 < Z < 3) = 0.1574.
Therefore, the probability that a worker selected at random makes between $450 and $550 is approximately 15.74%.
Hope this helps, and have a great day!
Let Y have a distribution function given by 0, Fly) = y <0 y 20. - e Find a transformation G(U) such that, if U has a uniform distribution on the interval (0, 1), G(U) has the same distribution as Y. G(U) = |(-In(1–u))(7
Let Y have a distribution function given by 0, Fly) = y <0 y 20.
To find a transformation G(U) such that if U has a uniform distribution on the interval (0, 1), G(U) has the same distribution as Y, follow these steps:
1. Identify the distribution function of Y:
F(y) = 0 for y < 0, and F(y) = 1 - e^(-y) for y ≥ 0.
2. Set F(y) equal to the cumulative distribution function (CDF) of a uniform distribution on the interval (0, 1):
F(y) = U.
3. Solve for y in terms of U to obtain the transformation G(U).
So, for y ≥ 0,
1 - e^(-y) = U
Now, solve for y:
e^(-y) = 1 - U
-y = ln(1 - U)
y = -ln(1 - U)
Therefore, the transformation G(U) is given by G(U) =. ln(1 - U)
To know more about distribution:
https://brainly.com/question/8325317
#SPJ11
eight different flavors are analyzed in a blind ice cream taste test. a participant is given four different ice cream samples and asked to sort them based on preference. in how many different ways can they be sorted?
There are 24 different ways that the participant can sort the four ice cream samples.
Since the participant is given 4 different ice cream samples, there are 4 ways in which they can place their first preference. Once they have chosen their favorite ice cream sample, there are 3 remaining options for their second preference. Similarly, there are 2 options for their third preference, and only one option for their least favorite ice cream sample. Here we have to use the principle of counting
Therefore, the number of ways the participant can sort the ice cream samples based on preference is
4 x 3 x 2 x 1 = 24
Learn more about principle of counting here
brainly.com/question/29594564
#SPJ4
a line of length l is scaled of 1.5 to produce a segment with length m. the new segment is then scaled by a factor of 1.5 to give a segment of length n.what scale factor takes the segment of length l to the segment of length n
The scale factor that takes the segment of length l to the segment of length n is 2.25.
What is length?Length is a measurement of the distance between two points, usually expressed in units such as inches, feet, yards, meters, and kilometers. It is used to measure the size of objects, the distance between objects, and the length of a path or route. Length is one of the four fundamental units in the metric system, along with mass, time, and temperature.
This can be determined by a process of successive scaling. The initial segment of length l is first scaled by a factor of 1.5 to give a segment of length m. This segment is then scaled by a factor of 1.5 to give a segment of length n. Multiplying the two scaling factors together, 1.5 x 1.5, gives 2.25, which is the scale factor from the initial segment of length l to the final segment of length n.
To know more about length click-
https://brainly.com/question/25292087
#SPJ1
The scale factor that takes the segment of length l to the segment of length n is 2.25.
What is length?Length is a measurement of the distance between two points, usually expressed in units such as inches, feet, yards, meters, and kilometers. It is used to measure the size of objects, the distance between objects, and the length of a path or route. Length is one of the four fundamental units in the metric system, along with mass, time, and temperature.
This can be determined by a process of successive scaling. The initial segment of length l is first scaled by a factor of 1.5 to give a segment of length m. This segment is then scaled by a factor of 1.5 to give a segment of length n. Multiplying the two scaling factors together, 1.5 x 1.5, gives 2.25, which is the scale factor from the initial segment of length l to the final segment of length n.
To calculate the scale factor that takes the segment of length l to the segment of length n, the following formula can be used:
n = (1.5)²×l
Therefore, the scale factor is (1.5)² = 2.25. This means that the segment of length l needs to be scaled by a factor of 2.25 in order to produce the segment of length n.
To know more about length click-
brainly.com/question/25292087
#SPJ1
the management of f xyzfinity cable estimates that the number of new subscribers (in thousands) next year in charlottesville is described by the random variable x and the number of new subscribers (in thousands) in albemarle county outside of charlottesville is described by the random variable y. if the joint probability density function is f(x,y)
To estimate the number of new subscribers in Charlottesville and Albemarle County, we'll use the given joint probability density function (pdf) f(x,y).
Here's a step-by-step explanation:
1. Identify the random variables: In this case, X represents the number of new subscribers (in thousands) in Charlottesville, and Y represents the number of new subscribers (in thousands) in Albemarle County outside of Charlottesville.
2. Understand the joint probability density function (pdf): The function f(x,y) describes the probability of having a specific number of new subscribers in both areas. The joint pdf is used to find the probability of a particular combination of X and Y values.
3. Determine the desired outcome: In this case, you want to estimate the number of new subscribers in both Charlottesville (X) and Albemarle County (Y) next year.
4. Calculate the probabilities: To find the probability of a specific combination of X and Y values, you'll need to evaluate the joint pdf f(x,y) at those values.
5. Analyze the results: Based on the probabilities you've calculated using the joint pdf, you can make informed estimates about the number of new subscribers in both areas next year.
By following these steps and using the joint probability density function f(x,y), you can estimate the number of new subscribers for F XYZ finity Cable in Charlottesville and Albemarle County next year.
For more questions on probability density
https://brainly.com/question/23286309
#SPJ11