Kenneth S. answered • 10/17/17
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If only ten are selected, P(at least 77 of them...) = 0.
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asked • 10/17/17probability
Assume that when adults with smartphones are randomly selected, 42% use them in meetings or classes. If 10 adult smartphone users are randomly selected, find the probability that at least 77 of them use their smartphones in meetings or classes.
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