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Solution of problem N5121 probability theory
5121. In a batch of 31 identically packaged articles, articles of two grades are mixed, 14 of which are Class I and the remainder are Class II. Find the probability that two products taken at random will be: a) of the same sort; b) different varieties.
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: