The Environmental Protection Agency [EPA] fuel economy estimates for automobile models tested recently predicted a mean of 24.3 mpg and a standard deviation of 6.2 mpg for highway driving. Assume that a Normal model can be applied. a} Draw the model for auto fuel economy. Clearly label it, showing what the 5895-99? Rule predicts. Use StatCrunch, Excel, or l'v'linitab. b} In what interval would you expect the central 63% of autos to be found? cl About what percent of autos should get more than 31 mpg? d} About what percent of autos should get between 31 and 3?.2 mpg? e} Describe the gas mileage of the worst 2.5% of all cars