Confidence in banks: A poll conducted asked a random sample of 1342 aduits in the United States how much confidence they had in banka and otrer trancae Instrytions. A total of 143 adults sald that they had a great deal of confidence. An oconomist claims that less than \( 14 \% \) of U.5. aduats hove a grees deel af T1-84 Pus calculator. Pert: \( 0 / 5 \) Pert 1 of \( S \) (o) State the appropriate null and alternate hypotheses. \[ \begin{array}{l} H_{0}: \square \\ H_{1}: \square \end{array} \] This hypothesis test is a (Choose one) \( \nabla \) test. \( \square \) test. Next Part Sibnet Auspounent
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The null hypothesis (\(H_0\)) represents the statement that there is no effect or no difference, and it is the hypothesis that we seek to test against. The alternative hypothesis (\(H_1\)) represents the statement that there is an effect or a difference. Given Show more…
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Confidence in banks: A poll conducted by the General Social Survey asked a random sample of 1325 adults in the United States how much confidence they had in banks and other financial institutions. A total of 149 adults said that they had a great deal of confidence. An economist claims that less than 15% of U.S. adults have a great deal of confidence in banks. a. State the appropriate null and alternate hypotheses; what is the form? b. Compute the test statistic Z; what is the form? d. Using α = 0.01, can you conclude that the economist's claim is true? What is the form?
Chris M.
Lucas F.
A poll conducted by the General Social Survey asked a random sample of 1325 adults in the United States how much confidence they had in banks and other financial institutions. A total of 149 adults said that they had a great deal of confidence. An economist claims that less than 15% of U.S. adults have a great deal of confidence in banks. a. State the appropriate null and alternative hypotheses. b. Compute the test statistic z. c. Using a = 0.05, can you conclude that the executive's claim is true? d. Using a = 0.01, can you conclude that the executive's claim is true?
James K.
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