Let X be a random variable that takes on nonnegative values and has distribution function F(x). Show that, ,Hint: Integrate by parts.Illustrate this result by calculating E(X) by this method if X has an exponential distribution F(x) = 1 ? e??x for x ? 0, and F(x) = 0 otherwise.

"Get 15% discount on your first 3 orders with us"
Use the following coupon
"FIRST15"

Order Now