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Score. 1/10 1/7 answered Question 3 A manufacturer knows that their items have a normally distributed lifespan, with a mean of 11.9 years, and standard

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Score. 1/10 1/7 answered Question 3 A manufacturer knows that their items have a normally distributed lifespan, with a mean of 11.9 years, and standard deviation of 0.9 years. If you randomly purchase one item, what is the probability it will last longer than 13 years? Question Help: Video Message instructor Submit Question Jump to

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