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Out of 7 children the youngest is boy then find the probability that all the remaining children are boys
A1/64
B1/32
C1/128
D1/256
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Answer: 1/64
Solution: 11 boys, given youngest one is the boy
Probability of a boy or girl is (1/2)
Probability of finding remaining 10 child
so (1/2)^6=1/64
Solution: 11 boys, given youngest one is the boy
Probability of a boy or girl is (1/2)
Probability of finding remaining 10 child
so (1/2)^6=1/64
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