As of 2018, 30% of Americans have confidence in U.S. banks, which is still below the pre-recession

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As of 2018, 30% of Americans have confidence in U.S. banks, which is still below the pre-recession level of 41% reported in June 2007 (www.gallup.com, June 28, 2018). 

a. What is the probability that fewer than half of four Americans in 2018 have confidence in U.S. banks? 

b. What would have been the corresponding probability in 2007?

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Related Book For  book-img-for-question

Business Analytics Communicating With Numbers

ISBN: 9781260785005

1st Edition

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

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