A recent study by Allstate Insurance Co. finds that 82% of teenagers have used cell phones while

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A recent study by Allstate Insurance Co. finds that 82% of teenagers have used cell phones while driving (The Wall Street Journal, May 5 , 2010). Suppose a random sample of 100 teen drivers is taken.

a. Discuss the sampling distribution of the sample proportion.

b. What is the probability that the sample proportion is less than 0.80?

c. What is the probability that the sample proportion is within ± 0.02 of the population proportion? L056

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Business Statistics Communicating With Numbers

ISBN: 9780071317610

1st Edition

Authors: Kelly Jaggia

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Question Posted: Jul 25, 2024 08:05 AM

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A recent study by Allstate Insurance Co. finds that 82% of teenagers have used cell phones while

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Business Statistics Communicating With Numbers

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