Re: Joint probability density

Posted by priyanka on Jul 13, 2011; 11:50am
URL: http://discussion-forum.276.s1.nabble.com/Joint-probability-density-tp6578343p6578707.html

ans P(X>2Y)= 1/3

draw the following area
x>0, Y>0,x+y<1, x>2y
now try to see that when x goes from 0 to 2/3, y goes from 0 to x/2
when x goes from 2/3 to 1, y goes from 0 to 1-x
now, use these limits to find out required probability (by integrating the pdf)