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Given the Following Process Control Data for a Quality Attribute

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Given the following process control data for a quality attribute (three samples of size 400 each):
Given the following process control data for a quality attribute (three samples of size 400 each): If the process is known to produce 11 percent defectives on average,using three sigma control limits,do any of the sample proportions indicate an out-of-control process proportion of defectives? If the process is known to produce 11 percent defectives on average,using three sigma control limits,do any of the sample proportions indicate an out-of-control process proportion of defectives?

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No,all are...

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