The recent default rate on all student loans is 5.2 percent. In a recent random sample of
Question:
(a) Does this sample show sufficient evidence that the private university loan default rate is below the rate for all universities, using a left-tailed test at α = .01?
(b) Calculate the p-value.
(c) Verify that the assumption of normality of the sample proportion p is justified.
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a therefore fail to reject the null hypothesis b p ...View the full answer
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Related Book For
Applied Statistics In Business And Economics
ISBN: 9780073521480
4th Edition
Authors: David Doane, Lori Seward
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