배당률P(A)1−P(A)=probability!probability\frac{P(A)}{1 - P(A)} = \frac{probability}{!probability}1−P(A)P(A)=!probabilityprobabilityAsymmetric and bound from 0 to ∞\infty∞odd is 1 if probability is 0.5Log oddunbounded, symmetric and log odd is 0 when probability is 0.5