Question: Question 2: A factory is making ball bearings. It does a quick and easy test on bearings and classifies them as conforming or non-conforming according

Question 2: A factory is making ball bearings. It

Question 2: A factory is making ball bearings. It does a quick and easy test on bearings and classifies them as conforming or non-conforming according to whether or not they fit two gauges (one for inner diameter and one for outer diameter). Over 10 days, it took 150 bearings randomly from each day production and the observation is given below: 1 2 3 4 5 6 7 8 9 10 Day number of non- conforming bearings 9 8 12 13 6 18 19 16 21 19 a. Develop a 3-sigma p-chart for this ball bearing production. b. Do you think the process is in control? Why

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