Question: Problem 3. Let A > 0. The variable X ~ Exp(1) has PDF f(x) = de-di ,r20. (a) Show that E(X) = (b) Show that

Problem 3. Let A > 0. The variable X ~ Exp(1)
has PDF f(x) = de-di ,r20. (a) Show that E(X) = (b)

Problem 3. Let A > 0. The variable X ~ Exp(1) has PDF f(x) = de-di ,r20. (a) Show that E(X) = (b) Show that Var(X) = 2

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