kitkatyr4388 kitkatyr4388

13-07-2018
Mathematics

contestada

Is it unusual for a family of three children to consist of three girl p(x=3)=0.055?

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ahonyek ahonyek

13-07-2018

It is not that unusual

For every child there is 1/2 chance that it is a girl.

For 3 children that is P= (1/2)^3=1/8

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