Mathematics, 17.02.2021 06:10 00manray

Assume that when adults with smartphones are randomly selected, 55% use them in meetings or classes. If 30 adult smartphone users are randomly selected, find the probability that exactly 20 of them use their smartphones The probability is (Round to four decimal places as needed.).

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Assume that when adults with smartphones are randomly selected, 55% use them in meetings or classes....

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Assume that when adults with smartphones are randomly selected, 55% use them in meetings or classes. If 30 adult smartphone users are randomly selected, find the probability that exactly 20 of them use their smartphones The probability is (Round to four decimal places as needed.).​

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Another question on Mathematics

Assume that when adults with smartphones are randomly selected, 55% use them in meetings or classes. If 30 adult smartphone users are randomly selected, find the probability that exactly 20 of them use their smartphones The probability is (Round to four decimal places as needed.).