Mathematics, 10.10.2021 18:10, jessd18

A manufacturer knows that their items have a normally distributed lifespan, with a mean of 5.4 years, and standard deviation of 1.2 years. If you randomly purchase one item, what is the probability it will last longer than 3 years?

Round answer to four decimal places

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A manufacturer knows that their items have a normally distributed lifespan, with a mean of 5.4 years...