Question
The lengths of 5-inch nails manufactured on a machine are normally distributed with a mean of 5.0 inches and a standard deviation of 0.007 inch.
The lengths of 5-inch nails manufactured on a machine are normally distributed with a mean of 5.0 inches and a standard deviation of 0.007 inch. The nails that are either shorter than 4.980 inches or longer than 5.020 inches are unusable. What percentage of all the nails produced by this machine are unusable?
Round your answer to 2 decimal places.
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Linear Algebra and Its Applications
Authors: David C. Lay
4th edition
321791541, 978-0321388834, 978-0321791542
