Homework 11
Due April 28, 2009
Exercise 5, page 555
The time between arrivals at the game room in the student union is exponential with
mean of 10 minutes.
(a) What is the arrival rate per hour?
(b) What is the probability that no students will arrive at the game room during
the next 15 minutes?
(c) What is the probability that at least one student will visit the game room
during the next 20 minutes?
Exercise 12, page 556
The U of A 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 (exponential interarrival time) at the
transfer station every 10 minutes. Red buses also arrive randomly every 7 minutes.
(a) What is the probability distribution of the waiting time for a student arriving
on the red line to get on the green line?
(b) What is the probability distribution of the waiting time for a student arriving
on the green line to get on the red line?
This preview has intentionally blurred sections. Sign up to view the full version.
View Full Document
This is the end of the preview.
Sign up
to
access the rest of the document.
 Spring '09
 Nedich
 Probability theory, 5 minutes, 175, 10 minutes, 7 minutes, Game Room

Click to edit the document details