In a mid-size company, the distribution of the number of phone calls answered each day by each or the 12 receptionists is bell-shaped and has a mean of 43 and a standard deviation of 4. Using the...

Extracted text: In a mid-size company, the distribution of the number of phone calls answered each day by each or the 12 receptionists is bell-shaped and has a mean of 43 and a standard deviation of 4. Using the empirical rule, what is the approximate percentage of daily phone calls numbering between 35 and 51? Do not enter the percent symbol. ans = 96