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23. 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.

23. 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.

Algebra & Trigonometry with Analytic Geometry
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter10: Sequences, Series, And Probability
Section10.8: Probability
Problem 55E
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Approximating Binomial Probabilities In Exercises 23-30, decide whether you can use a normal distribution to approximate the binomial distribution. If you can, use the normal distribution to approximate the indicated probabilities and sketch their graphs If you cannot, explain why and use a binomial distribution to find the indicated probabilities 23. 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. They use ind
Transcribed Image Text:Approximating Binomial Probabilities In Exercises 23-30, decide whether you can use a normal distribution to approximate the binomial distribution. If you can, use the normal distribution to approximate the indicated probabilities and sketch their graphs If you cannot, explain why and use a binomial distribution to find the indicated probabilities 23. 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. They use ind
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