Question: A service process has three stages. The error percentages are 3% at stage one, 1% at stage two, and 6% at stage three. The connection

A service process has three stages. The error percentages are 3% at stage one, 1% at stage two, and 6% at stage three. The connection logic of the three stages is that a good overall outcome happens only when all stages individually have good outcomes.

(a)[6] What is the probability of being good? (use 4 decimal places; for example: 0.8162)

(b)[3] What is the probability of being defective? (use 4 decimal places)

(c)[3] What is the EPMO of this process? (use 1 decimal place)

(d)[3] What is the sigma level of the process? (use 2 decimal places)

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