Census Taker: How many children do you have?

Woman: Two.

Census Taker: And their ages?

Woman: One is five, one is two.

Census Taker: Is one of them a girl?

Woman: Yes.

What is the probability that her other child is a girl? (Assume every pregnancy has a 50/50 chance to be a boy or a girl)

Loading comments

Join the discussion

Clouds Background
Clouds Background

Maths Revision and Resources For All Maths Courses

What are you waiting for? It's time to get started!

Contact us