# Binomial Probability of Child's Hair Color

The probability that a couple will have a child with black hair is 0.6.

If this couple has 7 children what is

(a) the probability that exactly 3 of these children have black hair ?

(b) the probability that no more than 2 of their children have black hair ?

(c) the probability that none of the children have black hair

(d) what is the mean number of their children that have black hair and what is

the variance ?

https://brainmass.com/statistics/probability/binomial-probability-childs-hair-color-343145

#### Solution Summary

This solution exemplifies binomial probability for child's hair color.

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