The time a customer waits for service at a bank is distributed normally with a mean of
Question:
The time a customer waits for service at a bank is distributed normally with a mean of 4 min and a standard deviation of 1 min. Compute the probability that a customer must wait for:
(a) More than 10 min
(b) Less than 5 min
(c) Between 2 and 6 min
d. Between 3 and 9 min
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Step by Step Answer:
To solve these types of problems we use the standard normal distribution table Ztable where a normal...View the full answer
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Related Book For 
Statistics For Business And Financial Economics
ISBN: 9781461458975
3rd Edition
Authors: Cheng Few Lee , John C Lee , Alice C Lee
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