Suppose that Y is a ? 2 distributed random variable with ?

Chapter 4, Problem 154E

(choose chapter or problem)

Get Unlimited Answers
QUESTION:

Problem 154E

Suppose that Y is a χ 2 distributed random variable with ν = 7 degrees of freedom.

a What are the mean and variance of Y ?

b Is it likely that Y will take on a value of 23 or more?

c Applet Exercise Use the applet Gamma Probabilities and Quantiles to find P(Y > 23).

Questions & Answers

QUESTION:

Problem 154E

Suppose that Y is a χ 2 distributed random variable with ν = 7 degrees of freedom.

a What are the mean and variance of Y ?

b Is it likely that Y will take on a value of 23 or more?

c Applet Exercise Use the applet Gamma Probabilities and Quantiles to find P(Y > 23).

ANSWER:

Solution:

Step 1 of 4:

It is given that the random variable Y has the Chi-square distribution with degrees of freedom 7.

Using this we need to find the required values.


Add to cart


Study Tools You Might Need

Not The Solution You Need? Search for Your Answer Here:

×

Login

Login or Sign up for access to all of our study tools and educational content!

Forgot password?
Register Now

×

Register

Sign up for access to all content on our site!

Or login if you already have an account

×

Reset password

If you have an active account we’ll send you an e-mail for password recovery

Or login if you have your password back