Question: If you construct a 2.25-sigma x-bar control chart, what is the probability of a Type-I error? O 0.0398 O 0.9776 O 0.0244 O 0.0122 O


If you construct a 2.25-sigma x-bar control chart, what is the probability of a Type-I error? O 0.0398 O 0.9776 O 0.0244 O 0.0122 O 0.0488
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