b1shop comments on Probability and Politics - Less Wrong

17 Post author: CarlShulman 24 November 2010 05:02PM

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Comment author: b1shop 25 November 2010 12:02:40AM 0 points [-]

Let me refocus on my point. I want to estimate the probability my vote will matter.

With population n, participation rate v, and pre-election polling showing r support for the policy, the probability your vote will matter is equal to:

(C[nv/2,nr]C[nv/2,n(1-r)])/C[n,nv]