Below is a sample space for a family with 3 children. BGG stands for
the oldest child being a boy, the middle child a girl, and the youngest
a girl. Use the sample space to answer the question:
What is the probability (in simplest form) that there is exactly 1
boy?
sample spaces: BBB. BBG, BGB, BGG, GBB, GBG, GGB, GGG
