Question
The one-way commuting times from home to work for all employees working at a large company have a bell-shaped curve with a mean of 31
The one-way commuting times from home to work for all employees working at a large company have a bell-shaped curve with a mean of 31 minutes and a standard deviation of 8 minutes. Using the empirical rule, find the approximate percentages of the employees at this company who have one-way commuting times in the following intervals:
a. 7 to 55 minutes
b. 23 to 39 minutes
c. 15 to 47 minutes
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Advanced Engineering Mathematics
Authors: ERWIN KREYSZIG
9th Edition
0471488852, 978-0471488859
