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13-09-2022
Mathematics

Answered

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 63 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 54 and 81?

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