John and Lisa have had 5 children, all girls! Given equal likelihood of a healthy pregnancy at each conception, what is the probability of having 5 female babies in a row?
A) 0.03125
B) 0.00001
C) 0.125
D) 0.00145

Question

Quizplus · Accepted Answer

The probability of having a girl is 0.5 (assuming equal likelihood of having a boy or a girl). For 5 girls in a row, it's $0.5^5 = 0.03125$.

John and Lisa Have Had 5 Children, All Girls! Given