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# Suppose that a random variable X has the F distribution

ISBN: 9780321500465 233

## Solution for problem 4 Chapter 9.7

Probability and Statistics | 4th Edition

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Problem 4

Suppose that a random variable X has the F distribution with m and n degrees of freedom (n > 2). Show that E(X) = n/(n 2). Hint: Find the value of E(1/Z), where Z has the 2 distribution with n degrees of freedom.

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Lecture 6: Random Variables 8.1 Random Variables -­ Definition: A random variable assigns a number to each outcome of a random circumstance, or, equivalently, a random variable assigns a number to each unit in a population. -­ Two broad classes of random variables: discrete random variables and continuous random...

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