How many boys and girls?
Very good! You have found the traditional answer. There are three
possible cases, GGB, GBG, and GBB. If the three cases are equally
likely 2/3 of the time there will two girls and a boy, and 1/3 of the
time there will be two boys and a girl. Now go back and figure out
what might be wrong with the traditional answer.
This page was last updated July 1, 2004.