The number of potholes in any given 1 mile stretch of

Last updated: 7/29/2022

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 50 and a standard deviation of 10. Using the empirical rule, what is the approximate percentage of 1-mile long roadways with potholes numbering between 30 and 80? Do not enter the percent symbol. ans %