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A manufacturer knows that their items have a normally distributed lifespan, with a mean of 7.4 years, and standard deviation of 1.8 years. The 2%

A manufacturer knows that their items have a normally distributed lifespan, with a mean of 7.4 years, and standard deviation of 1.8 years.

The 2% of items with the shortest lifespan will last less than how many years?

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