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Solution of problem N4389 probability theory

Solution of problem N4389 probability theory

Seller: Massimo86

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Product description

  • There are 4 black and 5 white balls in the box. Remove 3 balls at random. What is the probability that 2 of them will turn out to be black?

Additional information

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