Question

In: Statistics and Probability

Given a sample of 90 couples, each couple having two children What is the probability of...

Given a sample of 90 couples, each couple having two children

What is the probability of any couple having one girl and one boy?

Solutions

Expert Solution

Probability of having one boy and one girls is 0.5×0.5 + 0.5×0.5 = 0.5 (BG,GB)

so selecting a couple is equiprobable

the probability of selected couple having one boy and one girl is 0.5

orchestra answered 1 year ago
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