Solution of problem N2834 probability theory
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Product description
- In the group of 30 students. In the control work, 5 people received marks "excellent", 10 people - "good", 10 people - "satisfactory". What is the likelihood that all three students brought to the blackboard have unsatisfactory marks on the test?
Additional information
Detailed solution. Decorated in Microsoft Word 2003 (Quest decided to use the formula editor)