Three machines turn out all the products in a factory, with the first machine producing 15% of the products, the second machine 25%, and the third machine 60%. The first machine produces defective products 4% of the time, the second machine 2% of the time and the third machine 20% of the time. What is the probability that a non-defective product came from the second machine? (Round your answer to four decimal places.)

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A:

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