Assume that when adults with smartphones are randomly selected, 52% use them in meetings or classes....

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Assume that when adults with smartphones are randomly selected, 52% use them in meetings or classes....

Assume that when adults with smartphones are randomly selected, 52% use them in meetings or classes. If 30 adults smartphones users are randomly selected, find the probability that exactly 24 of them use their smartphone in meetings or classes.

The probability is?

math Statistics-And-Probability

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Answer 1

Answer #1

Here we have : P=0.52 n=30 Binomial distribution ! P(x+x)=nex p (1-P)1-3 p(8=24) =30(24(0.52)2 (1-0-52/30-24 = 10.00111

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Answer 2

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