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Questions  >>  CBSE XII  >>  Math  >>  Relations and Functions
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Q)

Assume that each child born is equally likely to be a boy or a girl. If a family has two children, what is the conditional probability that both are girls given that
(a) The youngest is a girl.
(b) At least one is a girl.
Pre-natal *** determination is a crime. What will you do if you come to know that some of your known is indulging in pre-natal *** determination ?


$(A)\; 1/3 , 1/2$
$(B)\; 1/2, 1/3$
$(C)\; 1/4 , 3/4$
$(D)\; 1/4 , 1/2$

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