consider a bus station where buses arrive according to a poison process with an average arrival rate of one bus every 15 minutes. passenger a arrives at the station at 2:00 pm and began waiting for a bus. passenger b arrives at 2:30 pm and finds passenger a still waiting. at 2:35 pm, the two passengers are both still waiting and discuss their estimates for the expected time that will pass until the next bus arrives. what will each of the two passengers say, assuming their estimates are correct?
