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Solution of problem N2758 probability theory
2758. There are 15 students in the group. 4 of them are excellent in math, 3 people are good, 8 people are satisfactory. 4 students are randomly selected. Find the probability that among them there are 2 “honors pupils" and 2 "horoshistas".
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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