SOLUTION: 10 playing cards are numbered 1 to 10. 3 different cards are randomly selected. Calculate the probability that the sum of the numbers selected are at most 9?

Question 852497: 10 playing cards are numbered 1 to 10. 3 different cards are randomly selected. Calculate the probability that the sum of the numbers selected are at most 9?
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
There are 10^3 possible outcomes.
84 of them sum to less than or equal to 9.

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