Solution of problem N3672 probability theory total prob

Solution of problem N3672 probability theory total prob

3672. Three machines produce the same parts. Their productivity is 2: 3: 5, and standard parts among their products are on average 96%, 97%, 99%, respectively. Find the probability that a part taken at random from an unsorted batch of parts will be non-standard.

Additional information:

Detailed solution. Decorated in Microsoft Word 2003 (Quest decided to use the formula editor)

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