Question: HCH ' s assembly unit has decided to use a p - Chart with 2 - sigma control limits to monitor the proportion of defective
HCHs assembly unit has decided to use a pChart with sigma control limits to monitor the proportion of defective copper wires produced by their production process. The quality control manager randomly samples
copper wires at
successively selected time periods and counts the number of defective copper wires in the sampe.What value of z should be used to construct the control chart?
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