Question
The mean life of a certain tire is 30,000 miles, and the standard deviation is 2,500 miles. to. Assuming the distances are normally distributed, about
The mean life of a certain tire is 30,000 miles, and the standard deviation is 2,500 miles. to.
Assuming the distances are normally distributed, about what percentage of these tires will last between 22,500 and 37,500 miles?
b. If we make no assumptions about the shape of the distribution, about what percentage of these tires will last between 22,500 and 37,500 miles?
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Contemporary Business Mathematics With Canadian Applications
Authors: Ali R. Hassanlou, S. A. Hummelbrunner, Kelly Halliday
12th Edition
0135285011, 978-0135285015
