Solution of problem N3831 probability theory total prob

Solution of problem N3831 probability theory total prob

3831. Casting in blanks comes from three procurement workshops. Casting from the first shop has 10% of marriage; from the second - 20, from the third - 15%. Find the probability that a random pig will be free of defects.

Additional information:

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

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