Решение задачи N2846 теория вероятностей
2846. In a group of 30 students in the control work, 8 people received a “Excellent” mark, “12” received “good”, 8. What is the probability that three students called to the blackboard have a “Good” score on the test? ?
Detailed solution. Decorated in Microsoft Word 2003 (Quest decided to use the formula editor)
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