Beginning at 12:00 midnight, a computer center is up for one hour and then down for two
Chapter 4, Problem 4.48(choose chapter or problem)
Beginning at 12:00 midnight, a computer center is up for one hour and then down for two hours on a regular cycle. A person who is unaware of this schedule dials the center at a random time between 12:00 midnight and 5:00 A.M. What is the probability that the center is up when the persons call comes in?
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