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The shelf life of a battery produced by one major company is known to be Normally...

The shelf life of a battery produced by one major company is known to be Normally distributed, with a mean life of 7 years and a standard deviation of 1 years. What value of shelf life do 16% of the battery shelf lives fall above? Round your answer to one decimal place.

_____ years?

Math   Statistics-And-Probability   
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Answer #1

Since answer is asked in one decimal place,7.99 becomes 8.0

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