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Solution of problem N3666 probability theory total prob
3666. Three machines produce the same parts. Their productivity is 5: 3: 2, and standard parts among their products are on average 99%, 98%, 97%, respectively. Find the probability that a piece taken from an unassorted product at random will be non-standard.
Detailed solution. Decorated in Microsoft Word 2003 (Quest decided to use the formula editor)
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