IEP
Log in
Sign up
Question
Answer-Guess-Matrix
Math
Question 28
A family has three children. If we have already known that one of them is a girl, then what is the probability that at least there is a boy there?
What's your answer?
What's your guess for other people's answer (if there are multiple, use comma to seperate, e.g, 1,2,4)?
submit
skip