The miles per gallon obtained by 2005 model z cars is normally distributed with mean of 22 miles per gallon and standard deviation of 5 miles per gallon.: a) determine the probability that a car will get between 13.35 and 35.1 miles per gallon? b) determine the probability that a car will get more than 29.6 miles per gallon? c) determine the probability that a car will get less than 21 miles per gallon? d) determine the probability that a car will get exactly 22 miles per gallon?