Refrigerators have a mean life of 15 years with a standard deviation of 1.5 years. Assuming that the life of refrigerators is normally distributed, then what percentage of refrigerators will have a life more than 18 years? Hint: Use the Empirical Rule. 02.5% 2.35% 16% 0 17% O 13.5%

Q: 8 15

A:

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