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Suppose that the probability of parents to have a child with blond hair is 1/4. If there are four children in the family, what is the probabilty that exactly half of them have blond hair? .30 .5 .25 .21 .31

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Carlos Rodriguez <carlos@math.albany.edu>

This problem was contributed by a student in Elementary Statistics. It is offered as it is with no warranty of any kind
Last modified: Wed May 13 12:29:11 EDT 1998