Twenty percent (20%) of American adults take part in some kind of betting pool for the March Madness NCAA basketball tournament.
In a random sample of 64 American adults, the standard deviation of the proportion of the sample that has taken part in a March Madness pool would be about?
In a random sample of 64 American adults, the chance that at least 16 of them will have taken part in a March Madness pool would be about?
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