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Category > Statistics Posted 15 Jun 2017 My Price 6.00

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

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 this study was based on a random sample of 50 teen drivers.

 

a. Construct a 99% confidence interval for the proportion of all teenagers that have used cell phones while driving.

b. What is the margin of error with 99% confidence?

 

Answers

Alpha Geek
(8)
Status NEW Posted 15 Jun 2017 10:06 AM My Price 6.00

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file 1497524259-2233178_1_636330861828957730_Confidence-Interval-estimate-99-.xlsx preview (143 words )
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