A study determined that 6 of children under 18 years of age

A study determined that 6% of children under 18 years of age live with their father only. Find the probability that at least 3 persons selected at random from 11 children under 18 years of age lived with their father only. The probability that at least 3 children live with their father only is

Solution

The probabilty of children under 18 years of age linving with their father only is 0.06.

The probabilty of at least 3 children selected randomly from 11 children under 18 years of ageliving with their father only is (3/11) * 0.06 = 0.01636 = 0.016 ( approximately on rounding off to the nearest thousandth)