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Problem 6 Let X ~Exponential(A). (a) Show that E(e )= Ata for a > -1. (b) Find E(X') and E( X1). Use them to find

Problem 6 Let X ~Exponential(A). (a) Show that E(e ")= Ata for a > -1. (b) Find E(X') and E( X1). Use them to find Var(X-)

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