A university advises parents of incoming freshmen that

Reference no: EM13470739

A university advises parents of incoming freshmen that the average cost of textbooks is typically greater than $300. A sample of 35 students enrolled in the university indicates a sample mean cost of $295.40. Assume the population standard deviation is $23.20. With a 0.05 level of significance, use the p-value approach to test the university's claim that the average cost of textbooks is greater than $300.

HO: μ "State the null hypothesis."

HA: μ "State the alternativel hypothesis."

"State the rejection rule"

"Compute the test statistic for the test stated in the problem"

"State if you reject or fail to reject the null hypothesis."

Reference no: EM13470739

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