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Solution of problem N4446 probability theory
4446. There are 9 balls in the urn: 4 red and 5 black. Two balls are taken out of the urn at the same time. Find the probability that both balls are red?
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
Massimo86
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