A company that manufactures batteries employs statistical process control to ensure that its product functions properly. The
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A company that manufactures batteries employs statistical process control to ensure that its product functions properly. The sampling plan for the D-cell batteries calls for samples of 500 batteries to be taken and tested. The numbers of defective batteries in the last 30 samples were recorded. Determine whether the process is under control.
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The process is out of control at sample 28 ...View the full answer
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