williamallen7729 williamallen7729

09-11-2019
Mathematics

contestada

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?

Respuesta :

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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