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The length of life (in years) of a personal computer is approximately normally distributed with a mean of 2.9 years and a standard deviation
The length of life (in years) of a personal computer is approximately normally distributed with a mean of 2.9 years and a standard deviation of 1.4 years. What fraction of computers are expected to last four (4) years or more?
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Probability and Random Processes With Applications to Signal Processing and Communications
Authors: Scott Miller, Donald Childers
2nd edition
123869811, 978-0121726515, 121726517, 978-0130200716, 978-0123869814
