The age of cars in the parking lot is uniformly distributed from 0.5 years to 9 years. a. Find the mean age of the cars. b. Find the standard deviation of the age of cars. Round to two decimal places. c. What is the probability that a randomly selected car in the lot is less than 4 years old? Round your answer to four decimal places. d. What is the probability that a randomly selected car in the lot is between 2 years old and 6 years old? Round your answer to four decimal places e. What is the probability that a randomly selected car in the lot is more than 7.5 years old? Round your answer to four decimal places