Suppose that a phone company reports that the average duration of a cell phone call is 1.7 minutes, with a standard deviation of 1.4 minutes.
-What does the CLT say about the sampling distribution of the sample mean call duration in a random sample of 60 calls?

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The Answer of Suppose that a phone company reports that the average duration of a cell phone call is 1.7 minutes, with a standard deviation of 1.4 minutes.
-What does the CLT say about the sampling distribution of the sample mean call duration in a random sample of 60 calls?

Suppose That a Phone Company Reports That the Average Duration