Re: DSE-2011#,,14

Posted by Chinni18 on Jun 20, 2012; 8:54am
URL: http://discussion-forum.276.s1.nabble.com/DSE-2011-14-tp7578147p7578312.html

For Q23,
P(X): P(-1) = P(0) = P(1) = 1/3
P(Y) = P(X^2) = P(1) = 2/3 and P(0) = 1/3
So they are clearly dependent.
If you calculate their means, they are not the same.
Hence by elimination, I got b