Question: Suppose that you have calculated the control limits for a p-chart to be the following: LCL = 0.02 and UCL = 0.08. Today you took

Suppose that you have calculated the control limits for a p-chart to be the following:

LCL = 0.02 and UCL = 0.08.

Today you took 10 samples of 30 units each. The first nine samples each had one defect. The last sample had two defects. What can you conclude?

answer choices

the sample size must be increased

the process is out of control

you calculated the limits incorrectly because the LCL must be either negative or 0

the last sample should be ignored because it was too good

the process is in a state of control

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