SOLUTION: A committee of 9 members is voting on a proposal. Each member casts a yea or nay vote. On a random voting basis, what is the probability that the proposal wins by a vote of 7 to 2?

Question 1134508: A committee of 9 members is voting on a proposal. Each member casts a yea or nay vote. On a random voting basis, what is the probability that the proposal wins by a vote of 7 to 2?
Answer by ikleyn(52835) (Show Source): You can put this solution on YOUR website!
.

 =  = 0.0703 = 7.03%.


The term    gives you the number of ways to select a group of 2 from the the set of 9 committee members.

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