Question: produced by Machine 2 were defective. If a defective item is drawn at random, what is the probability that the defective item was produced by

produced by Machine 2 were defective. If a defective item is

drawn at random, what is the probability that the defective item was

produced by Machine 2 were defective. If a defective item is drawn at random, what is the probability that the defective item was produced by Machine 1 or Machine 2? [6 Marks]

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