Mathematics, 23.01.2020 00:31 froyg1234

In a mid-size company, the distribution of the number of phone calls answered each day by each of the 12 receptionists is bell-shaped and has a mean of 37 and a standard deviation of 9. using the empirical rule (as presented in the book), what is the approximate percentage of daily phone calls numbering between 28 and 46?

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In a mid-size company, the distribution of the number of phone calls answered each day by each of th...