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The Wilson family was one of the first to come to the U.S. They had 9...

The Wilson family was one of the first to come to the U.S. They had 9 children. Assuming that the probability of a child being a girl is .5, find the probability that the Wilson family had: at least 3 girls? at most 7 girls?

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The Wilson family was one of the first to come to the U.S. They had 9...
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