Consider a process where you are to design a fraction nonconforming control chart with three sigma limits.
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Question:
Consider a process where you are to design a fraction nonconforming control chart with three sigma limits. Assume n = 100, and p = 0.080.
- What are the three-sigma limits for the p-chart?
- Calculate the probability of a Type I error. What is the ARL0 for this process?
- Construct the O-C curve for this process.
- Suppose the process fraction nonconforming shifts to p1 = 0.15.
- A. Compute the probability of a Type II error and the ARL1 for this shift.
- B. What is the probability of detecting the shift to p1 = 0.15 by at most the fourth sample after the shift?
Related Book For
Introduction to Statistical Quality Control
ISBN: 978-1118146811
7th edition
Authors: Douglas C Montgomery
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