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A couple has 3 children and it is known that atleast one of them is a boy. Then the probability that the couple will have exactly two boys is
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Correct option is A
S={(GGG,GGB,GBG,BGG,BBB,BBG,BGB,GBB)} A=(BBG,BGB,GBB)B=(GGB.GBG.BGG,BBB.BBG,BGB.GBB)P(AB)= P(A∩B)P(B)=Exactly two boysatleast one boy=37Similar Questions
A bag contains 4 white and 2 black balls. Another bag contains 3 white and 5 black balls. If one ball is drawn from each bag, the probability that both are white
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