Решение задачи N2858 теория вероятностей
2858. In a group of 30 students in the control work, the assessment of “5” was received by 8 people, “4” - 12 people, “3” - 7 people. What is the probability that 3 students called to the blackboard have a control grade of “4”?
Detailed solution. Decorated in Microsoft Word 2003 (Quest decided to use the formula editor)
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