Given the Following Process Control Data for a Quality Attribute

question 19

Short Answer

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,what is the alpha risk (probability of Type I error)for upper and lower control limits of .1256 and .0944 respectively? .1412 and .0788? .1568 and .0632?

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