Solution Found!
Suppose that a random variable X has the F distribution
Chapter 9, Problem 4(choose chapter or problem)
QUESTION:
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.
Questions & Answers
QUESTION:
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.
ANSWER:Step 1 of 2
Let . Thus,. Thus,