Question: Help please! A control chart plots 38 samples per day, 7 days a week. The process runs 24 hours per day and the chart is
Help please!

A control chart plots 38 samples per day, 7 days a week. The process runs 24 hours per day and the chart is currently in control. 1. What is the probability of plotting 3 samples in a row in Zone B ? 2. On average, an observation will fall into either Zone A or Zone B approximately once every hours
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