Assume that each born child is equally likely to be a boy or a girl. If a family has two children, then the conditional probabilities that both are girls given that (i) the youngest is a girl, (ii) at least one is a girl are

Assume that each born child is equally likely to be a boy or a girl. I

1.	Assume that each born child is equally likely to be a boy or a girl. If a family has two children, then the conditional probabilities that both are girls given that (i) the youngest is a girl, (ii) at least one is a girl are
A.	\[\frac{1}{2}and\frac{1}{4}\]
B.	\[\frac{1}{3}and\frac{1}{2}\]
C.	\[\frac{1}{3}and\frac{1}{4}\]
D.	\[\frac{1}{2}and\frac{1}{3}\]
Answer» B. \[\frac{1}{3}and\frac{1}{2}\]

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Assume that each born child is equally likely to be a boy or a girl. If a family has two children, then the conditional probabilities that both are girls given that (i) the youngest is a girl, (ii) at least one is a girl are

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