What is probability that half of them will have blond hair

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Reference no: EM13895922

(a) Suppose that the probability of parents having a child with blond hair is 1/4. If there are 6 children in the family, what is the probability that half of them will have blond hair?

(b) If the probability of hitting a target on a single shot is 0.3, what is the probability that in 4 shots the target will be hit at least 3 times?

Reference no: EM13895922

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