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Finding the ‘Z' test statistic value for the given 5% level of significance.

An instructor claims the average time to take a statistics test is more than 39 minutes. If a sample of 33 students took 43 minutes, is the instructor's claim true?

Test at the 0.05 level.

The population standard deviation is 12. List the null and alternate hypotheses.

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Category:- Statistics and Probability
Reference No.:- M9166690

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