rosajohson751 rosajohson751

07-03-2018
Mathematics

contestada

Find the probability that when a couple has four four children, at least one of them is a girl girl. (assume that boys and girls are equally likely.)

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mikebabynmer3 mikebabynmer3

08-03-2018

Knowing that each gender has a 50/50 chance there are four in five chance that at least one is a girl. The sequences are BBBB,GGGG,BBGG,BBBG, and GGGB.

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