6.42 The service times at teller windows in a bank were found to follow an exponential distribution...
Question:
6.42 The service times at teller windows in a bank were found to follow an exponential distribution with a mean of 3.2 minutes. A customer arrives at a window at 4:00 PM.
a Find the probability that he will still be there at 4:02 PM.
b Find the probability that he will still be there at 4:04 PM given that he was there at 4:02 PM.
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Related Book For
Probability And Statistics For Engineers
ISBN: 9781133006909
5th Edition
Authors: Richard L Scheaffer, Madhuri Mulekar, James T McClave, Cecie Starr
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