Solution of problem N3908 probability theory total prob

Solution of problem N3908 probability theory total prob

3908. At the enterprise manufacturing the windows, the first workshop produces 30%, the second 20%, and the third 50% of all windows. Marriage is 3%, 2% and 4% respectively. What is the probability that a randomly selected window will be defective?

Additional information:

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

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