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A manufacturer knows that their items have a normally distributed lifespan, with a mean of 3.8 years, and standard deviation of 0.? years. If you

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A manufacturer knows that their items have a normally distributed lifespan, with a mean of 3.8 years, and standard deviation of 0.? years. If you randomlyr purchase one item, what is the probability it will last longer than 2.539 years? [Round your final answer to 3 place: after the decimal point.]

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