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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.

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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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