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Solution of problem N4417 probability theory
4417. In an opaque box there are 9 identical balls: 5 blue, 4 red. 3 balls are taken out at random. Find the probability that all the balls taken out are blue.
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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