Question

What is the probability that a family with three children will have all girls?

A) 1/2
B) 1/8
C) 25%
D) .10​

Answer 1

B) 1/8 . i believe so

Answer 2

B) 1/8

Explanation:

each child born has 50/50 to be a boy or a girl, so, we determine a Bernoulli process where p=0.5, and we need 3 out of 3 successes.

the probability will then be:

(0.5)³=0.125=1/8