According to CNN, 55% of all U.S. smartphone users have used their GPS capability to get directions

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According to CNN, 55% of all U.S. smartphone users have used their GPS capability to get directions (CNN.com, May 2016). Suppose a provider of wireless telephone service in Canada wants to know if GPS usage by its customers differs from U.S. smartphone users. The company collects usage records for this year for a random sample of 547,192 of its customers and determines that 302,050 of these customers have used their telephone's GPS capability this year. Use this information to test the Canadian company's claim at α = .01. Discuss the practical significance of the results.
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Modern Business Statistics With Microsoft Excel

ISBN: 9781337115186

6th Edition

Authors: David R. Anderson, Dennis J. Sweeney, Thomas A. Williams, Jeffrey D. Camm, James J. Cochran

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