Question: A control chart for the fraction nonconforming is to be established using a center line of p = 0.15. What sample size is required if

$A control chart for the fraction nonconforming is$

A control chart for the fraction nonconforming is to be established using a center line of p = 0.15. What sample size is required if we wish to detect a shift in the process fraction nonconforming to 0.30 with probability 0.50

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