Three Children – A couple are planning to have 3 children. What is the sample space for three children? (What are all the possible outcomes for three children? Assume that boys and girls are equally likely, so that the sample events are equally likely.

Answer 1

3 b
2 b, 1 g
1 b, 2 g
3 g

so 4 possible outcomes, all equally likely
p of each is .25