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Test: Module 1 Test Question 2 This Test: 24 pts possible Submit Test 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 5 miles per hour. Estimate the percent of vehicles whose speeds are between 60 miles per hour and 80 miles per hour. (Assume the data set has a bell-shaped distribution.) Approximately % of vehicles travel between 60 miles per hour and 80 miles per hour. Time Remaining: 01:45:48 Next Type here to search 73F Mostly cloudy 4x 1:15 PM 9/9/2021