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Solution of problem N4821 probability theory
4821. There are 12 parts in a box, 8 of which are painted. The assembler draws 4 pieces at random. Find the probability that at least two of the selected parts will be painted.
Detailed solution. Decorated in Microsoft Word 2003 (Quest decided to use the formula editor)
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Discount for regular customers! If the total of your purchases from the seller
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