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Mathematics 21 Online
OpenStudy (anonymous):

Assume the probability of having a boy or a girl is the same. If a family has five children, what is the probability that they are all boys?

OpenStudy (anonymous):

(0.5)^5

OpenStudy (anonymous):

= 0.03125 or 3.125 %

OpenStudy (anonymous):

I dont agree with your answer. wouldn't it be 1/2

Directrix (directrix):

C(5,5) (1/2) ^ 5 (1/2) ^ 0 = 1/32

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