Assume that when adults with smartphones are randomly selected, 51% use them in meetings or classes....

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Assume that when adults with smartphones are randomly selected, 51% use them in meetings or classes....

Assume that when adults with smartphones are randomly selected, 51% use them in meetings or classes. If 6 adult smartphone users are randomly selected, find the probability that at least 3 of them use their smartphones in meetings or classes.

The probability is _____

(Round to four decimal places as needed.)

math Statistics-And-Probability

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Answer 1

Answer #1

Here it is p=0.51 same for all, n=6 is constant, events are independent and only two outcomes

Hence all the properties of binomial are satisfied

So we need to find

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Answer 2

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