# Probability: Sums and Products of Random Variables

by dizzle1518
Tags: probability, products, random, sums, variables
 Mentor P: 18,228 Your first integral will be $$\int_{\{x-y\leq z\}}{f_X(x)f_Y(y)dxdy}$$. Now, try to determine what values x and y can take on (hint: draw a picture!)