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

Question

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
38 and a standard deviation of 5. Using the empirical
rule (as presented in the book), what is the approximate percentage of daily phone calls numbering between 28 and 48?

Do not enter the percent symbol.
ans =  %

Kunduz · Accepted Answer

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