Question

Assume the probability is 1/2 that a child born at any time is a girl and births are independent. What is the probability of the event that if a family has three children ( no twins) , they are all girls? The probability is

Answer 1

`(1)/(8)`

Explanation:

A = 1st child is girl

B = 2nd child is girl

C = 3rd child is girl

Solution see the attached picture