Questions › Category: Math › Assume that the speed of automobiles on an expressway during rush hour is normally 0 Vote Up Vote Down Fred Burton asked 5 months ago Assume that the speed of automobiles on an expressway during rush hour is normally distributed with a mean of 70 mph and a standard deviation of 7 mph. What percent of cars are traveling faster than 70 mph? Please login or Register to submit your answer Username or Email Address Password Remember Me