The number of potholes in any given 1 mile stretch of freewa

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 64 and a standard deviation of 3. Using the empirical rule (as presented in the book), what is the approximate percentage of 1-mile long roadways with potholes numbering between 61 and 70?

(Round percent number to 2 decimal places.)

Do not enter the percent symbol.
ans = ________ %

Solution