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Mathematics, 29.03.2020 06:34 masteroftheuniverse3
Assume that when adults with smartphones are randomly selected, 55% use them in meetings or classes. If 9 adult smartphone users are randomly selected, find the probability that at least 4 of them use their smartphones in meetings or classes.
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Assume that when adults with smartphones are randomly selected, 55% use them in meetings or classes....
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