Question
The Bell company manufactures laptop computers. A study indicates that the life spans of their computers are normally distributed, with a mean of 4.0 years
The Bell company manufactures laptop computers. A study indicates that the life spans of their computers are normally distributed, with a mean of 4.0 years and a standard deviation of 1.2 years. How long should the company warrant its computers if the company wishes less than 4% of its computers to fail during the warranty period?
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Introductory Real Analysis
Authors: A N Kolmogorov, S V Fomin, Richard A Silverman
1st Edition
0486134741, 9780486134741
