Question: Suppose 30 control limits are constructed for the average temperature in a furnace. Samples of size 4 were selected with the average temperature being 5000

Suppose 30 control limits are constructed for the average temperature in a furnace. Samples of size 4 were selected with the average temperature being 5000" C and a standard deviation of 50 C, b. Suppose Rule 2 and Rule 3 are used simultaneously to determine out-of-control conditions. What is the overall probability of a Type I error assuming independence of the rules
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