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 40 and a standard deviation of 10. Using the empirical rule, what is the approximate percentage of daily phone calls numbering between 30 and 50? Do not enter the percent symbol. ans =
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 40 and a standard deviation of 10. Using the empirical rule, what is the approximate percentage of daily phone calls numbering between 30 and 50? Do not enter the percent symbol. ans =
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.6: Summarizing Categorical Data
Problem 31PPS
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