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Solution of problem N3351 probability theory
3351. In the ticket two questions from 60 questions of the program the student learned 40.
Find the probability of events:
1) The student knows both questions.
2) Knows one question
3) Knows at least one question
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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exceeds: