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Solution of problem N3151 probability theory
3151. In the box are 10 blue and 20 red pencils. What is the probability that from randomly selected 4 pencils exactly 1 will turn 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
exceeds: