Solution) The recent default rate on all student loans is 5.2 percent. In a recent random sample of 300 loans


Question: The recent default rate on all student loans is 5.2 percent. In a recent random sample of 300 loans at private universities there were 9 default. (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 is justified.

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