Assuming that the birth of a boy or a girl is equally likely, what is the probability that the three children in a family include at least one boy and one girl? Express your answer as a common fraction.

Guest Nov 11, 2019

#1**+2 **

I believe this has been answered before.....but I'll try anew:

1=boy 0=girl

possibities

111

110

101

011

100

010

001

000 6 out of 8 include at least 1 boy 1 girl 6/8 = 3/4

ElectricPavlov Nov 11, 2019