Solved: Use the result for the gamma distribution to

Chapter 4, Problem 148E

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QUESTION:

Problem 148E

Use the result for the gamma distribution to determine the mean and variance of a chi-square distribution with r ◊◊7 2.

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QUESTION:

Problem 148E

Use the result for the gamma distribution to determine the mean and variance of a chi-square distribution with r ◊◊7 2.

ANSWER:

Solution

Step 1 of 1

We have to find the mean and variance of the gamma distribution

Given that Chi-square distribution with

Let X is a gamma random variable with parameter

For Chi-square distribution

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