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

An instructor rights 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 as well as alternate hypotheses.

Statistics and Probability, Statistics

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  • Reference No.:- M923466

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