Question

In: Statistics and Probability

A married couple has 3 children. What is the probability thatthey have 2 boys and...

A married couple has 3 children. What is the probability that they have 2 boys and one girl? Note: you can assume that for each birth, p(girl) = 0.5, p(boy) = 0.5.

Solutions

Expert Solution

Given that a married couple has 3 children.

and P(Girl) = P(Boy) = 0.5

It is clearly a case of binomial distribution where n = 3

Let X be the number of boys.

Now,


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