williamallen7729 williamallen7729

09-11-2019
Mathematics

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Assuming that boy and girl babies are equally likely, what would be Kathy's probability of having exactlly three sons if she were to have four children together?

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WinterWhitney WinterWhitney

13-11-2019

Answer:

3 boys and 1 girl is 1 in 5 probability

Step-by-step explanation:

4 kids, each with 2 genders --> 4^2 = 8 possiblities

However, that includes having 0, 1 , 2 or 3,

If there are 4:

BBBB

BBBG

BBGG

GGGG

GGGB

3 boys and 1 girl is 1 in 5 probability

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