Question: Did not know how to solve. Need help. Math 3501: Fall 2022, Exercise 5. There is a gamma variable G whose mgf is 1 MG(t):

Did not know how to solve. Need help.

Math 3501: Fall 2022, Exercise 5. There is a gamma variable G whose mgf is 1 MG(t): (1 - 20t)2 = (1 - 20t) -2 . You do not need to determine which distribution. You can answer this using properties of mgf's. (A) Find E(G). (B) Find Var(G). (C) Let H be a variable that corresponds to adding 5 independent copies of G. Find a formula for MH(t)

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