Question: A process is being controlled with a fraction non-conforming control chart. The process average has been shown to be 0.07. Three-sigma control limits are used,

A process is being controlled with a fraction

A process is being controlled with a fraction non-conforming control chart. The process average has been shown to be 0.07. Three-sigma control limits are used, and procedure calls for taking daily sample of 400 items. a) Calculate the upper and lower control limits. b) If the process average should suddenly shift to 0.10, what is the probability that the shift would be detected on the fifth sample

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