2021年5月17日 · Five are four girls, one boy (GGGGGB, GGGBG, GGBGG, GBGGG, BGGGG). Five are four boys, one girl. Of the twenty remaining possibilities, half will be three girls, two boys, while the other half will be two girls, three boys.

Terdoo C. asked • 07/06/19 Out of 800 families with 5 children each, how many would you expect to have 3 boys.