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[nex92] Random train connections Trains X and Y reach a station at random and independently of each other between 8:00am and 8:20am. Train X stops for 4 minutes and train Y for 5 minutes. (a) Find the probability that train X arrives before train Y . (b) Find the probability that the two trains meet at the station. (c) Find the probability that train Y pulls into the station while train X is already there. Solution: