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If a manager wanted to be sure that most of her/his employees would not be late, how much time would she/he suggest they allow for the commute if the average speed were 30 miles per hour

Respuesta :

Answer:

13.5 , 15.1

Explanation:

Hypothesis testing is used to identify the mean for number of miles. 95% confidence interval is used with test statistics value. The test stats value is determined to identify the critical region where most of the population lies in. The 95% confidence interval mean is between 13.5 - 15.1

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