Below is a sample space for a family with 3 children. BGG stands for

Question

the oldest child being a boy, the middle child a girl, and the youngest
a girl. Use the sample space to answer the quesstion:
What is the probability (in simplest form) that all are girls? _____
Sample Space
BBB
BBG
BGB
BGG
GBB
GBG
GGB
GGG

Answer 1

8 possibilities listed.
How many are GGG?

Answer 2

just 1