題組內容
3. (15%) Let X is an exponential random variable with rate λ. Let a denote a constant, a > 0, and Y = aeX
(c) \( (8\%) \) Find E(Y) and Var(Y)
3. (15%) Let X is an exponential random variable with rate λ. Let a denote a constant, a > 0, and Y = aeX
(c) \( (8\%) \) Find E(Y) and Var(Y)