In a survey of 1,116 adults, 47% approved of the job that President Trump was doing in

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In a survey of 1,116 adults, 47% approved of the job that President Trump was doing in handling the economy (Opinion Today, July 1, 2019).

a. Compute the 90% confidence interval for the proportion of Americans who approved of President Trump’s handling of the economy.

b. What is the resulting margin of error?

c. Compute the margin of error associated with the 99% confidence level.

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Business Analytics Communicating With Numbers

ISBN: 9781260785005

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Authors: Sanjiv Jaggia, Alison Kelly, Kevin Lertwachara, Leida Chen

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Question Posted: Feb 16, 2023 03:56 AM

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In a survey of 1,116 adults, 47% approved of the job that President Trump was doing in

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a P 047 We use 010 to find z 2 z 005 1645 The 90 ...View the full answer

Business Analytics Communicating With Numbers

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