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Solution of problem N5104 probability theory
5104. A batch of 25 articles contains 12 articles of the first grade and 13 of the second. 4 items are randomly selected. Find the probability that among the selected items there is at least one product of the first grade.
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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