Question: It is well documented that a typical washing machine can last anywhere between 5 to 20 years. Let the life of a washing machine be

It is well documented that a typical washing machine can last anywhere between 5 to 20 years. Let the life of a washing machine be represented by a lognormal variable, Y = eX where X is normally distributed. In addition, let the mean and standard deviation of the life of a washing machine be 7 years and 2 years, respectively

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