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nikkole11
nikkole11
01.05.2021 • 
Mathematics

A state university runs two bus lines on campus: red and green. The red line serves north campus and the green line serves south campus with a transfer station linking the two lines Green buses arrive randomly (with an exponential interarrival time) at the transfer station every 10 minutes. Red buses also arrive randomly (with an exponential interarrival time) at the transfer station every 7 minutes. a) What is the probability distribution of the waiting time at the transfer station for a student arriving on the red line to get on the green line?
b) What is the probability distribution of the waiting time at the transfer station for a student arriving on the green line to get on the red line?
c) What is the probability that two buses will stop at the station during a 5 minute interval?
d) A study whose dorm is located next to the transfer station has a class in 10 minutes. Either bus will take the student to the classroom building. The ride takes 5 minutes, after which the student will walk for about 3 minutes to reach the classroom. What is the probability that the student will make it to class on time?

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