Solution of problem N3419 probability theory

Solution of problem N3419 probability theory

3419. The student came to the exam, knowing only 40 of the 50 questions in the program. The examiner asked the student 3 questions. Find the probability that the student has answered all the questions: a) using the classical definition of probability; b) conditional probability.

Additional information:

Detailed solution. Decorated in Microsoft Word 2003 (Quest decided to use the formula editor)

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