Confidence in banks: A news poll conducted in 2012 asked a random sample of 1217 adults in the United States how much confidence they had in banks and other financial institutions. A total of 160 adults said that they had a great deal of confidence. An economist claims that greater than 11% 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 the critical value method with the table.

Find the critical values. Round the answer to three decimal places

0.05=?

0.10=?

Choose a significance level and find the critical value.

1. Compute the test statistic.
2. Determine whether to reject H0
3. State a conclusion.