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Let X,,X2, X3, X4.Xs be a random sample of size 5 from a geometric distribution with p=D a. Find the moment generating function of

Let X,,X2, X3, X4.Xs be a random sample of size 5 from a geometric distribution with p=D a. Find the moment generating function of Y = X, + X2 + X3+ X4 + Xs. b. How is Y distributed?

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