The shelf life of a battery produced by one major company is known to be normally distributed, with a mean life of 3.5 years and a standard deviation of 0.75 years. What is the upper quartile of battery shelf life?
A) 4.00 years
B) 4.25 years
C) 4.17 years
D) 5.25 years

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The Answer of The shelf life of a battery produced by one major company is known to be normally distributed, with a mean life of 3.5 years and a standard deviation of 0.75 years. What is the upper quartile of battery shelf life?
A) 4.00 years
B) 4.25 years
C) 4.17 years
D) 5.25 years

The Shelf Life of a Battery Produced by One Major