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Solution of problem N2803 probability theory
2803. In the student group 15 young men and 5 girls. Randomly chose 2 students (by numbers in the list) for duty. Find the probability: a) both students are boys, b) a boy and a girl will be on duty.
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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