Given two r.v.s Y1 and Y2 that have joint density fcn:
for 0 <= y_1, 0 <=y_2,
and 0 elsewhere
and
I have to find .
I did this by doing:
But I end up at a different answer than the final answer in the back of my text. The answer given in the back is:
Okay, I finally got the correct answer. I really had to break it up the way you did to get it. It took less time than doing it the way I was doing it before (expanding the whole expression). I suppose I was making some sort of algebraic mistake before?
Thanks mr. fantastic, you are awesome!