Question
The diameter of a cylindrical shaft door hinge is normally distributed with a population mean of 12.8 mm and a standard deviation of 0.35 mm.
The diameter of a cylindrical shaft door hinge is normally distributed with a population mean of 12.8 mm and a standard deviation of 0.35 mm. The specifications on the shaft are 13 ± 0.15 mm. What proportion of shafts conforms to the specifications?
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Applied Statistics In Business And Economics
Authors: David Doane, Lori Seward
4th Edition
73521485, 978-0073521480
