Question
11) The number of potholes in any given 1 mile stretch of freeway pavement in Pennsylvania has a bell-shaped distribution. This distribution has a mean
11) The number of potholes in any given 1 mile stretch of freeway pavement in Pennsylvania has a bell-shaped distribution. This distribution has a mean of 62 and a standard deviation of 9. Using the empirical rule (as presented in the book), what is the approximate percentage of 1-mile long roadways with potholes numbering between 53 and 80?
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Contemporary Business Mathematics With Canadian Applications
Authors: Ali R. Hassanlou, S. A. Hummelbrunner, Kelly Halliday
12th Edition
0135285011, 978-0135285015
