Question
The average lifespan of a KoldWerks refrigerator is normally distributed with a mean of 14 years and a standard deviation of 2.5 years. a. The
- The average lifespan of a KoldWerks refrigerator is normally distributed with a mean of 14 years and a standard deviation of 2.5 years.
a. The manufacturer would like to offer a full replacement warranty on refrigerators that stop working much sooner than expected but they do not want to replace too many. They decide that they will offer the full replacement warranty so that no more than 2.5% of refrigerators will have to be replaced. What length of warranty should be established?
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Introduction to Probability
Authors: Mark Daniel Ward, Ellen Gundlach
1st edition
716771098, 978-1319060893, 1319060897, 978-0716771098
