Suppose that the speed at which cars go on the freeway is normally distributed with mean 72 mph and standard deviation 7 miles per hour. Let X be the speed for a randomly selected car. a. What is the distribution of X? X ~ N( b. If one car is randomly chosen, find the probability that it is traveling more than 71 mph. Round to 4 decumal places. c. If one of the cars is randomly chosen, find the probability that it is traveling between 74 and 80 mph. Round to 4 decimal places.The combined SAT scores for the students at a local high school are normally distributed with a mean of1515 and a standard deviation of 299. The local college includes a minimum score of 2023 in its admission requirements. What percentage of students from this school earn scores that fail to satisfy the admission requirement? P(X