The Pew Internet Project survey of 1,006 American adults found the following: 906 have a cell phone

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The Pew Internet Project survey of 1,006 American adults found the following: 906 have a cell phone 584 have a smartphone 322 have an eBook reader 423 have a tablet computer Source: “Device Ownership Over Time,” bit.ly/1fvWYrL.

a. Construct 95% confidence interval estimates for the population proportion of the electronic devices adults own.

b. What conclusions can you reach concerning what electronic devices adults have?

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Business Statistics A First Course

ISBN: 9780321979018

7th Edition

Authors: David M. Levine, Kathryn A. Szabat, David F. Stephan

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Question Posted: Jul 16, 2015 07:31 PM

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The Pew Internet Project survey of 1,006 American adults found the following: 906 have a cell phone

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