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Solution of problem N3420 probability theory
3420. The student came to the exam, knowing only 20 of the 25 questions in the program. The examiner asked the student 3 questions. Using the concept of conditional probability to find the probability that a student knows all the questions. Find the same probability using the classical definition of probability.
Detailed solution. Decorated in Microsoft Word 2003 (Quest decided to use the formula editor)
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Discount for regular customers! If the total of your purchases from the seller
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