Magazines A local magazine store sells an average of 2,100 magazines per day, with a standard deviation of 500 magazines. Consider a sample of 60 days of operation. {Magazines Narrative} Find the expected value and the standard error of the sample mean.

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The Answer of Magazines A local magazine store sells an average of 2,100 magazines per day, with a standard deviation of 500 magazines. Consider a sample of 60 days of operation. {Magazines Narrative} Find the expected value and the standard error of the sample mean.

Magazines a Local Magazine Store Sells an Average of 2,100