Discussion Problem_(29)

Posted by duck on Jun 02, 2013; 3:41am
URL: http://discussion-forum.276.s1.nabble.com/Discussion-Problem-29-tp7581663.html

Suppose the joint pdf of X and Y is given by:
f(x,y) = e^(-x-y) for 0<x<∞ , 0<y<∞
         = 0 elsewhere.
Find P(X+Y≤0)