Say that the CART bus has a specified stop timetable by Lloyd Noble Center every 15 minutes (e.g., 3:00, 3:15, 3:30, 3:45, and so on). Say a passenger arrives at the LNC stop at a time that is (continuous) uniformly distributed between 3:00 and 3:30 PM. That is, uniformly distributed random variable measures the time after 3:00 PM that the passenger arrives to the stop. a.What is the probability that the passenger waits at least 12 minutes for a bus?