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A manufacturer knows that its items have a normally distributed lifespan, with a mean of 6.3 years and a standard deviation of 1.1 years. If
A manufacturer knows that its items have a normally distributed lifespan, with a mean of 6.3 years and a standard deviation of 1.1 years. If you randomly purchase one item, what is the probability it will last longer than 7 years?
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Essentials Of Business Statistics
Authors: Bruce Bowerman, Richard Connell, Emily Murphree, Burdeane Or
5th Edition
978-1259688867, 1259688860, 78020530, 978-0078020537
