A poll conducted in

2012

asked a random sample of1400

adults in the United States how much confidence they had in banks and other financial institutions. A total of147

adults said that they had a great deal of confidence. An economist claims that less than12

%

of U.S. adults have a great deal of confidence in banks. Can you conclude that the economist's claim is true? Use both=

0.05

and=

0.10

levels of significance and theP-value method with the TI-84 Plus calculator.

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