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Solution of problem N4981 probability theory
4981. There are 40 parts in a box, 10 of which are painted. The assembler extracts 5 parts. Find the probability that all the extracted parts will be unpainted. Solved in two ways.
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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