A company that makes LED light bulbs tests 500 bulbs each day for defects. The number of

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A company that makes LED light bulbs tests 500 bulbs each day for defects. The number of defective bulbs, along with the proportion of defective bulbs for 20 days, is shown in the following table.


For a p chart, find the values of the central line, UCL, and LCL.

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Basic Technical Mathematics

ISBN: 9780137529896

12th Edition

Authors: Allyn J. Washington, Richard Evans

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