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Solution of problem N4448 probability theory

Solution of problem N4448 probability theory

Seller: Massimo86

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Product description

  • There are 7 white balls and 12 black balls in the urn. At the same time, 2 balls are taken out at random. What is the probability that both balls will be white?

Additional information

Detailed solution. Decorated in Microsoft Word 2003 (Quest decided to use the formula editor)