A news poll conducted in 2012 asked a random sample of 1220 adults in the United States how much confidence they had in banks and other financial institutions. A total of 156

adults said that they had a great deal of confidence. An economist claims that more than 12%

of U.S. adults have a great deal of confidence in banks. Can you conclude that the economist's claim is true? Use both the = 0.10 and = 0.01 levels of significance and the P-value method and Excel. 1. State the appropriate null and alternate hypotheses. 2. Find the critical values. Round the answer to at least three decimal places. 3.Compute the test statistic, Do not round intermediate steps. Round the answer to at least two decimal places. 4.Determine whether to reject H0. 5.State a conclusion.

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