Use the Empirical Rule The mean speed of a sample of

Last updated: 6/29/2023

Use the Empirical Rule The mean speed of a sample of vehicles along a stretch of highway is 69 miles per hour with a standard deviation of 5 miles per hour Estimate the percent of vehicles whose speeds are between 5 per hour and 84 miles per hour Assume the data set has a bell shaped distribution Approximately of vehicles travel between 54 miles per hour and 84 miles per hour