2. (15 points) Suppose the time between arrivals of university shuttles in a randomly selected station…

2. (15 points) Suppose the time between arrivals of university shuttles in a randomly selected station has an exponential distribution with the mean of 15 minutes. a. (7 points) What is the probability that one randomly chosen student waits more than 20 minutes for the bus in that specific station? (8 points) What is the probability that one randomly chosen student waits between 10 and 15 minutes for the bus in that specific station? b.