2)

The recent default rate on all student loans is 6.5 percent. In a recent random sample of 280 loans at private universities, there were 14 defaults. 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 a = .010? (a-1) Choose the appropriate hypothesis. a. Ho: 2 2.065; H1 <.065. accept he if z b. he: h1: reject a b calculate the z-score for sample data using negative value should be indicated by minus sign. round your answer to decimal places. zcalc null hypothesis rejected yes no p-value. p-value assumption of normality is justified. faced with rising fax costs firm issued guideline that transmissions pages or more sent mail instead. exceptions are allowed but they want average below. examined randomly chosen during next year yielding mean standard deviation pages. find test statistic. statistic at .01 level significance true greater than use excel right-tail>