Question: 5. How long will a refrigerator last before it must be replaced? It is reported that the lifespans of refrigerators, in years, are Normally distributed,
5. How long will a refrigerator last before it must be replaced? It is reported that the lifespans of refrigerators, in years, are Normally distributed, with a mean of 14 years and a standard deviation of 1.7 years. What percentage of refrigerators have lifespans higher than (or greater than) 15 years? A. 1.07% B. 72.58% C. 4.46% D. 46.02% E. 27.42%
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