The distribution of passenger vehicle speeds traveling on a residential street is nearly normal with a mean of 32.8 miles/hour and a standard deviation of 3.8 miles/hour. (Keep 2 decimal places.) a) What percent of passenger vehicles travel slower than 35 miles/hour? % b) What percent of passenger vehicles travel between 25 and 35 miles/ hour? I % c) How fast do the fastest 5% of passenger vehicles travel? d) The speed limit on this road is 30 miles/ hour. Approximate vvhat percentage of the passenger vehicles travel above the speed limit on this road. I %