Using the OTR plugin with Pidgin for verifying GPG public key fingerprints

[erythrocyte]

2010/3/13 Ingo Klöcker <kloecker at kde.org>
> Sorry, but your calculation is wrong. If the calculation was correct
> then with 5 encounters the probability would be 1.25 which is an
> impossibility. Probability is never negative and never > 1. (People say
> all the time that they are 110 % sure that something will happen, but
> mathematically that's complete nonsense.)
>
> The probability that the fake ID is rejected by all individuals is
>  (1 - 1/4)^4.
> Consequently, the probability that the fake ID is not rejected by all
> individuals (i.e. it is accepted at least by one individual) is
>  1 - (1 - 1/4)^4.

Ah yes. That makes sense :-) . Thank you.