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Solution of problem N4938 probability theory
4938. There are 20 parts randomly placed in a box, five of which are standard. The worker takes three parts at random. Find the probability that at least one of the parts taken is standard.
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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exceeds: