Questions
In a certain town, 40% of the people have brown hair, 25% have brown eyes, and 15% have both brown hair and brown eyes. If a person selected at random from the town has brown hair, the probability that he also has brown eyes is
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Correct option is B
We have, P(A)=40100,P(B)=25100 and P(A∩B)=15100So, PBA=P(A∩B)P(A)=15/10040/100=38Similar Questions
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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