Question: Suppose you are constructing either a mean chart with known variation or a p-chart to monitor some process. The process will only be stopped if
Suppose you are constructing either a mean chart with known variation or a p-chart to monitor some process. The process will only be stopped if a sample taken falls outside your control limits. If the process is in control, management wants only 0.6% of the samples taken to fall outside of your limits. (The company does not like stopping the process accidentally.) What Z value should you use for your chart?
A.1.56
B.2.05
C.2.51
D.2.75
E. 2.18
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