Statistical Independence
Events and are defined to be statistically independent if:
- .
That is, the occurrence of does not affect the probability of, and vice versa. Although the derived forms may seem more intuitive, they are not the preferred definition as the conditional probabilities may be undefined if or are 0, and the preferred definition is symmetrical in and .
Read more about this topic: Conditional Probability
Famous quotes containing the word independence:
“A tragic irony of life is that we so often achieve success or financial independence after the chief reason for which we sought it has passed away.”
—Ellen Glasgow (1873–1945)