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Question 16 Next Question 16 A manufacturer knows that their items have a normally distributed lifespan, with a mean of 8.7 years, and standard deviation
Question 16 A manufacturer knows that their items have a normally distributed lifespan, with a mean of 8.7 years, and standard deviation of 2.9 years. If you randomly purchase one item, what is the probability it will last longer than 9 years? > Next Question
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