A family has 2 children. What is a probability that the family has…(a) 2 boys (b) Same gender of children (c) Different gender of children

A family has 2 children. What is a probability that the family has…(a) 2 boys (b) Same gender of children (c) Different gender of children
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1 Answer

We can list the possibilities: BB, BG. GB, GG.

Probability of two boys=1/4 (=1/2*1/2)

Probability of either two boys or two girls=1/2 (BB or GG)

Probability of one of each=1/2 (BG or GB)
by Top Rated User (1.1m points)

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