Exam (114).pdf - Question The finished inside diameter of a piston ring is normally distributed with a mean of 10 centimeters and a standard deviation

Exam (114).pdf - Question The finished inside diameter of a...

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Question: The finished inside diameter of a piston ring is normally distributed with a mean of 10 centimeters and a standard deviation of 0.03 centimeter. (a) What proportion of rings will have inside diameters exceeding 10.075 centimeters? (b) What is the probability that a piston ring will have an inside diameter between 9.97 and 10.03 centimeters? (c) Below what value of inside diameter will 15% of the piston rings fall? Answer : It is given that the finished inside diameter of a piston ring is normally distributed with a mean of 10 centimeters and a standard deviation of 0.03 centimeter. Let X represents the finished inside diameter of a piston ring is normally distributed with mean and the standard deviation a) Now, we need to find the proportion of rings will have inside
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