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Solution of problem N2904 probability theory
2904. From an urn containing 15 balls, of which 7 are white and 8 are black, 6 balls are removed at random (without returning). Find the probabilities of the following events: A = {all balls drawn are white}; B = {among white balls there are exactly 4 white}.
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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