Question: In a mid-size company, the distribution of the number of phone calls answered each day by each of the 12 receptionists is approximately normal

In a mid-size company, the distribution of the number of phone calls

In a mid-size company, the distribution of the number of phone calls answered each day by each of the 12 receptionists is approximately normal and has a mean of 37 and a standard deviation of 8. using the empirical rule (as presented in the book), what is the approximate percentage of daily phone calls numbering between 13 and 61? Do not enter the percent symbol.

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