Product lifespan: A manufacturer knows that their items have a normally distributed lifespan, with a mean of
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Question:
Product lifespan: A manufacturer knows that their items have a normally distributed lifespan, with a mean of 12.6 years, and standard deviation of 3.2 years. If you randomly purchase one item, what is the probability it will last longer than 3 years? Round your answer to three decimal places.
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