please solve correctly with clear explanation needed.... Thanks

Q12 Consider a bus station where buses arrive according to a Poisson process with on wearage arrival rate of line bus every 15 minutes Passenger A arrives at the station at 2:00 PM and begin 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 tire that will pass until ew Beat but strives What will each of the two passengers say? A: 15 mins, It: 15 mins 4: 35 min. B) 10 mimi AD mini, BI 10 mins A: 10 mini, #: 35 mm