(a) Calculate the moment generating function for X. b) Use the moment generating function to determine E(X) and Var(X).

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Let X be a discrete random variable with ,
{1,2, 3, ...} and f (x) =
as a
density function.
(a) Calculate the moment generating function for X.
(b) Use the moment generating function to determine E(X) and Var(X).
Transcribed Image Text:Let X be a discrete random variable with , {1,2, 3, ...} and f (x) = as a density function. (a) Calculate the moment generating function for X. (b) Use the moment generating function to determine E(X) and Var(X).
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