Mathematics, 28.02.2020 23:26, freedygotmoney

Assume that when adults with smartphones are randomly selected, 44% use them in meetings or classes. If 7 adult smartphone users are randomly selected, find the probability that at least 4 of them use their smartphone in meetings or classes.
What is the probability?

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Assume that when adults with smartphones are randomly selected, 44% use them in meetings or classes....