Hello,

I am hoping someone can help me understand how to solve this problem.

We are given a stick that extends from 0 to a. Its length, a, is the realization of an exponential random variable X, with mean 1. We break that stick at a point Y that is uniformly distributed over the interval [0, x]. 1. Write down the (fully specified) joint PDF fx,y (x, y) of X and Y. For 0