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Solution of problem N3795 probability theory total prob

Solution of problem N3795 probability theory total prob

Seller: Massimo86

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Product description

  • Of the 70 parts, 20 are made in the first workshop, 25 in the second, the rest in the third. The first and third shops make products of excellent quality with a probability of 0.9, the second-0.75. What is the probability that the lucky part will be of excellent quality?

Additional information

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