The percentage of Americans who have confidence in U.S. banks dropped to 23% in June 2010, which
Question:
The percentage of Americans who have confidence in U.S.
banks dropped to 23% in June 2010, which is far below the pre-recession level of 41% reported in June 2007
(gallup.com).
a. What is the probability that fewer than half of 10 Americans in 2010 have confidence in U.S. banks?
b. What would have been the corresponding probability in 2007? L05
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Related Book For
Business Statistics Communicating With Numbers
ISBN: 9780071317610
1st Edition
Authors: Kelly Jaggia
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