3898. Three machines for a common conveyor make parts. The performance of the first, second and third are assessed as 5: 2: 3. The probability of manufacturing a defective part for the first machine is 0.03, for the second - 0.02, for the third - 0.01. Find the probability that a randomly taken part is standard.
Detailed solution. Decorated in Microsoft Word 2003 (Quest decided to use the formula editor)
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