Solution of problem N3349 probability theory

Solution of problem N3349 probability theory

3349. The student knows 40 of the 50 questions in the program. Find the probability that the student knows the proposed 3 questions of the program. a) only 2 questions; b) at least one question.

Additional information:

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

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