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Solution of problem N5103 probability theory
5103. A batch of 25 items contains 15 items of the first grade and 10 of the second. 3 items are randomly selected. Find the probability that among the selected items there is at least one item 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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