The life expectancy of Timely brand watches is normally distributed with a mean of four years and a
Question: The life expectancy of Timely brand watches is normally distributed with a mean of four years and a standard deviation of eight months.
a) What are the minimum and the maximum life expectancy of the middle 95% of the watches?
b) Ninety-five percent of the watches will have a life expectancy of at least how many months?
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Solution Format: Word Document
Solution Format: Word Document
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