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Assume that when adults with smartphones are randomly selected, 57% use them in meetings or classes. If 15 adult smartphone users are randomly selected, find

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Assume that when adults with smartphones are randomly selected, 57% use them in meetings or classes. If 15 adult smartphone users are randomly selected, find the probability that exactly 9 of them use their smartphones in meetings or classes. . . . The probability is (Round to four decimal places as needed.)

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