A family plans to have 3 children. For each birth, assume that the probability of a boy is the same as the probability of a girl. What is the probability that they will have at least one boy and at least one girl? 0.5 0.125 0.75 0.875
Question
A family plans to have 3 children. For each birth, assume that the probability of a boy is the same as the probability of a girl. What is the probability that they will have at least one boy and at least one girl? 0.5 0.125 0.75 0.875
Solution
To solve this problem, we first need to understand that there are 2^3 = 8 possible outcomes when a family has 3 children. These outcomes are BBB, BBG, BGB, GBB, BGG, GBG, GGB, GGG.
The probability of each of these outcomes is (1/2)^3 = 1/8 because the
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