A class of 30 students has a mean grade of 92. (a) Test the null hypothesis that
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A class of 30 students has a mean grade of 92.
(a) Test the null hypothesis that the grades from this class are a random sample from the stated distribution. (Use α = 0.05.)
(b) What is the p value associatedwith this test?
(c) Discuss the practical uses of the results of this statistical test. LO.1
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