The Cox family has 4 boys.

Question

•What is the probability of a 4-child family having 4 boys?

•What is the probability that the next child of the Cox family will be a boy, given that they have already 4 boys in a row?

Answer 1

If the events are independent, the probability of both/all events occurring is determined by multiplying the probabilities of the individual events.

http://drdavespsychologypage.homestead.com/Odds__Figuring.pdf

Answer 2

Thanks that help a lot.

Jacky