A manufacturer knows that their items have a normally distributed lifespan, with a mean of 11.7 years, and standard deviation of 1.7 years. The 1% of items with the shortest lifespan will last less than

A manufacturer knows that their items have a normally distributed lifespan, with a mean of 11.7 years, and

standard deviation of 1.7 years.
The 1% of items with the shortest lifespan will last less than how many years?

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A manufacturer knows that their items have a normally distributed lifespan, with a mean of 11.7 years, and standard deviation of 1.7 years. The 1% of items with the shortest lif…

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