SOLUTION: 1.
A community of 9 members is voting on a proposal. Each member casts a yea or ney vote. On a random voting basis, what is the probability that the proposal wins by a vote of 7 t
Algebra ->
Probability-and-statistics
-> SOLUTION: 1.
A community of 9 members is voting on a proposal. Each member casts a yea or ney vote. On a random voting basis, what is the probability that the proposal wins by a vote of 7 t
Log On
Question 534056: 1.
A community of 9 members is voting on a proposal. Each member casts a yea or ney vote. On a random voting basis, what is the probability that the proposal wins by a vote of 7 to 2? Answer by stanbon(75887) (Show Source):
You can put this solution on YOUR website! A community of 9 members is voting on a proposal. Each member casts a yea or ney vote. On a random voting basis, what is the probability that the proposal wins by a vote of 7 to 2?
-----------
Binomial with n = 9 and p(yea) = 1/2
---
P(x = 7) = 9C7(1/2)^2*(1/2)^2 = 0.0703
====================
Cheers,
Stan H.
(