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7% of a specific manufacturing line's output must be reworked, 2% of the output must be scrapped.

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a) If one piece is randomly chosen from the line, what is the probability that it is a good piece?


b)  If one piece is randomly chosen from the line, what is the probability that it is must be either scrapped or reworked?


c) If 2 pieces are randomly chosen from the line, what is the probability that the first must be reworked and the second is acceptable?

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