A manufacturer knows that their items have a normally distributed lifespan, with a mean of 13.8 years,

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A manufacturer knows that their items have a normally distributed lifespan, with a mean of 13.8 years, and standard deviation of 2 years. If 23 items are picked at random, 8% of the time their mean life will be less than how many years? Give your answer to one decimal place.

Posted Date: May 18, 2024 11:06 PM

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A manufacturer knows that their items have a normally distributed lifespan, with a mean of 13.8 years,

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