A First Course in Probability (10th Edition)
A First Course in Probability (10th Edition)
10th Edition
ISBN: 9780134753119
Author: Sheldon Ross
Publisher: PEARSON
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You work at the Quality Department of a photocopier manufacturer. After each over-
haul, the time until the photocopier needs another major overhaul has both mean and
standard deviation equal to 1 year.
Calculate the probability that your office photocopier works for at least 2 years be-
tween overhauls using:
* an exponential model
a normal model
Which of these models is more likely to be appropriate?
*
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Transcribed Image Text:You work at the Quality Department of a photocopier manufacturer. After each over- haul, the time until the photocopier needs another major overhaul has both mean and standard deviation equal to 1 year. Calculate the probability that your office photocopier works for at least 2 years be- tween overhauls using: * an exponential model a normal model Which of these models is more likely to be appropriate? *
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