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%
Solution of problem N2835 probability theory
2835. In the group of 30 students. 7 students wrote an excellent test, 8 - well, 9 - satisfactorily, the rest received unsatisfactory marks. Find the probability that all 4 students, randomly called to the board, received unsatisfactory marks on the test.
Detailed solution. Decorated in Microsoft Word 2003 (Quest decided to use the formula editor)
No customer reviews yet.
Discount for regular customers! If the total of your purchases from the seller
Massimo86
exceeds: