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nathanbrockdac
21.04.2021 •
Mathematics
Internet Use A survey of U.S. adults ages 18–29 found that 93% use the
Internet. You randomly select 100 adults ages 18–29 and ask them if they use
the Internet.
(a) Find the probability that exactly 90 people say they use the Internet.
(b) Find the probability that at least 90 people say they use the Internet.
(c) Find the probability that fewer than 90 people say they use the Internet.
(d) Are any of the probabilities in parts (a)-(c) unusual? Explain.
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