Consider the composition of a three-child family in which the children were born at different times. Assume that a girl is as likely as a boy at each birth.
Express the answers as fractions.
What is the probability that there are two girls and a boy in the family?
__________
What is the probability that the oldest child is a girl?
__________
What is the probability that the youngest child is a girl and the oldest child is a boy?
__________
Correct Answer:
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