One lady has 2 children, one of her child is boy, what is the probability of having both are boys	Choose the most appropriate option
A) 1/2  B) 1/3  C) 1/4  D) 1/5  E) 3/4
n(S)=one of her child is boy out of 2 children=BB,BG=2   n(E)=both are boys=BB=1   so p=n(E)/n(s)=1/2   1/2NSWER:1/2
<result>A</result>
One lady has 2 children, one of her child is boy, what is the probability of having both are boys