Solution of problem N3375 probability theory
📂 Mathematics
👤 Massimo86
Product Description
3375. A student knows 25 questions out of 30. What is the probability that he
1) correctly answer 3 of five questions.
2) from 4 questions will answer at least one.
1) correctly answer 3 of five questions.
2) from 4 questions will answer at least one.
Additional Information
Detailed solution. Decorated in Microsoft Word 2003 (Quest decided to use the formula editor)
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