5 sigma (one chance in a million of being wrong)
Careful! That’s a one chance in a million of a fluke occuring (given the null hypothesis). Probability of being wrong is P(~H1 | 5 sigma) rather than P(5 sigma | H0), and on the whole unmeasurable. :)
Careful! That’s a one chance in a million of a fluke occuring (given the null hypothesis). Probability of being wrong is P(~H1 | 5 sigma) rather than P(5 sigma | H0), and on the whole unmeasurable. :)