Asked by MV
A newly married couple decides to keep having children until they have a girl. What is the probability that the couple will have at least 5 children?
Answers
Answered by
Reggie
This is Geometric distribution.
Let Y be r.v."No: of chldn before a girl"
P(Y=y)=pq^(y-1)...therefore
P(Y=5)=(0.5)(0.5)^(5-1)=0.03125.
Let Y be r.v."No: of chldn before a girl"
P(Y=y)=pq^(y-1)...therefore
P(Y=5)=(0.5)(0.5)^(5-1)=0.03125.
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