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ProbabilityA person has 3 children with at least oneboy. Find the probability of having at least 2 boys amongthe children. |
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Answer» Answer: We are TOLD that the father has atleast one BOY. Therefore the possible scenarios for the genders of the 3 CHILDREN are: 3 boys, 2 boys and 1 girl 1 boy and 2 girls. The probability for all these 3 scenarios is the same i.e. 1/3. Therefore the probability that the father has 2 boys and one girl is 1/3 |
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