Use the Empirical Rule. The mean speed of a sample of vehicles along a stretch of highway is 70 miles per hour, with a standard deviation of 3 miles per hour. Estimate the percent of vehicles whose...

Please solve that problem. Use the empirical rule.


Extracted text: Use the Empirical Rule. The mean speed of a sample of vehicles along a stretch of highway is 70 miles per hour, with a standard deviation of 3 miles per hour. Estimate the percent of vehicles whose speeds are between 64 miles per hour and 76 miles per hour. (Assume the data set has a bell-shaped distribution.) Approximately % of vehicles travel between 64 miles per hour and 76 miles per hour.