26. A researcher for Ford has the following information. The population mean mu of a new Ford model is 28 mpg, with a std deviation rho of 3. She wants to be able to advertise info about this, to the public, but would like to express a range of values. What % of cars can be expected to have mpg between 29-33? 27.For the information found in #31 above, what would be the confidence interval containing mileage mu of 28 mpg, 95% of the time, when the sample size n=81