6. Let Y be a continuous random variable with probability distribution function F (y) = B ek(y)/A...

6. Let Y be a continuous random variable with probability distribution function F (y) = B e−k(α−y)/A −∞ < y ≤ α 1 y > α, where A, k, and α are positive constants. (Such distribution functions arise in the study of local computer network performance.) Find E(Y ).