6.73 The lifetime distributions of high-speed recordable optical disks is assumed to follow lognormal distribution (Irine and
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6.73 The lifetime distributions of high-speed recordable optical disks is assumed to follow lognormal distribution
(Irine and Okino, IEEE Trans. on Magnetics, 2007).Suppose and weeks.
a Compute the mean and variance of this distribution.
b What percent of optical disks are expected to last over 20 weeks?
c If 98% of disks fail before a0 weeks, then determine the value of a0.
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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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