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35 newly admitted nursing students are given an aptitude test. The student population is known to be normally distributed with an average of 85 and

35 newly admitted nursing students are given an aptitude test. The student population is known to be normally distributed with an average of 85 and a standard deviation of 10. Do these data provide sufficient evidence to indicate, at a significance level of 0.05, that the population mean is greater than 80? Use the z distribution to test your hypothesis

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