Mathematics, 04.12.2020 06:40 anahi8621
A manufacturer knows that their items have a normally distributed lifespan, with a mean of 7.5 years, and standard deviation of 1.6 years.
The 9% of items with the shortest lifespan will last less than how many years?
Give your answer to one decimal place.
Answers: 3
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A manufacturer knows that their items have a normally distributed lifespan, with a mean of 7.5 years...
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