Re: DSE 2009 Q38

Posted by Chinni18 on Jun 18, 2012; 2:47pm
URL: http://discussion-forum.276.s1.nabble.com/DSE-2009-Q38-tp7578090p7578098.html

Okay look at it this way then:
P(both being daughter| One is daughter)
=P(Both daughters) / P(One is a daughter)
=(1/4)/(3/4)
=1/3