SOLUTION: Find the probability of 2 boys of 3 childrens given that eldest one isi girl

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Question 1001237: Find the probability of 2 boys of 3 childrens given that eldest one isi girl
Answer by fractalier(6550) About Me  (Show Source):
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The possibilities for the two remaining kids are
BB
BG
GB
GG
You can see that only 1/4 are two boys.