Math
posted by Lyndse .
Assume that the probability is 1/2 that a baby born is a boy. If a couple has two children, what is the probability that both are girls? Assume that births are independent of each other.

Math 
bobpursley
Pr(girl, girl)= 1/2 * 1/2

Math 
l
.25

Math 
jonathan
3/4
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