Previously, control of the process was based oncategorizing the thickness of each film
Chapter 0, Problem 27.53(choose chapter or problem)
Previously, control of the process was based oncategorizing the thickness of each film inspected as satisfactory or not. Steadyimprovement in process quality has occurred, so that just 15 of the last 5000 filmsinspected were unsatisfactory. (a) What type of control chart would be used in this setting, and what would bethe control limits for a sample of 100 films?(b) The chart in (a) is of little practical value at current quality levels. Explainwhy.
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