Many banks and other financial institutions have raised the minimum payment customers must pay on their outstanding

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Many banks and other financial institutions have raised the minimum payment customers must pay on their outstanding credit card balances. Suppose a claim is made that more than 40% of all credit card holders pay the minimum payment. To test this claim, a random sample of payments made by credit card customers was collected. The sample contained data for 400 customers, of which 174 paid the minimum payment.

a. State the appropriate null and alternative hypotheses.

b. Based on the sample data, test the null hypothesis using an alpha level equal to 0.05. Discuss the results of the test.

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Business Statistics

ISBN: 9781292220383

10th Global Edition

Authors: David Groebner, Patrick Shannon, Phillip Fry

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