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3642. Three workers make the same type of products. The first produced 40 products, 15 - the second and 25 - the third. The probability of marriage for each worker, respectively, is 0.05; 0.01; 0.02. Find the probability that a defective part taken at random is made by the second worker.
Detailed solution. Decorated in Microsoft Word 2003 (Quest decided to use the formula editor)
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