For a given process control chart, there are four rules for determining out- of-control state of the process which are being used simultaneously. The probability of Type-I error for the four rules are 0.005, 0.02, 0.03, and 0.05. Assuming independence of the rules, the probability of overall Type-I error when all the four rules are used simultaneously is

For a given process control chart, there are four rules for determinin

1.	For a given process control chart, there are four rules for determining out- of-control state of the process which are being used simultaneously. The probability of Type-I error for the four rules are 0.005, 0.02, 0.03, and 0.05. Assuming independence of the rules, the probability of overall Type-I error when all the four rules are used simultaneously is
A.	0.101
B.	0.201
C.	0.001
D.	0.301
Answer» B. 0.201

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