Solution of problem N3362 probability theory

Solution of problem N3362 probability theory

3362. The student knows 25 questions out of 35. He was asked three questions at random. What is the likelihood that a student will answer all three questions? The problem is solved in two ways - using the classical definition of probability and using the algebra of events.

Additional information:

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

Discount for regular customers! If the total of your purchases from the seller Massimo86 exceeds:

• $30 discount 10%
• $20 discount 7%
• $18 discount 6%
• $15 discount 5%
• $12 discount 4%
• $9 discount 3%
• $6 discount 2%
• $3 discount 1%