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

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