Mathematics, 17.09.2019 21:20, briarwilliams9668

the manager went over the sales of mobile phones at the store and found that the mean sale was 45, with a standard deviation of 4. on a particular day, 52 mobile phones were sold.
what is the z-score of the sale of mobile phones on that day?

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the manager went over the sales of mobile phones at the store and found that the mean sale was 45, with a standard deviation of 4. on a particular day, 52 mobile phones were sold.what is the z-score of the sale of mobile phones on that day?

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the manager went over the sales of mobile phones at the store and found that the mean sale was 45, with a standard deviation of 4. on a particular day, 52 mobile phones were sold.
what is the z-score of the sale of mobile phones on that day?