Question: In statistical quality control, several zones are defined as in thefigure given. What are the probabilities for the situationsstated below. a) One point plots outside
In statistical quality control, several zones are defined as in thefigure given. What are the probabilities for the situationsstated below.
a) One point plots outside the three-sigma control limits.
b) Two consecutive points plots outside of the two sigmawarning limits.
c) Two of three plots outside of the two sigma warning limits. 
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