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A manufacturer knows that their items have a normally distributed lifespan, with a mean of 10.9 years, and standard deviation of 2.7 years. If you
A manufacturer knows that their items have a normally distributed lifespan, with a mean of 10.9 years, and standard deviation of 2.7 years. If you randomly purchase one item, what is the probability it will last longer than 10 years?
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