Applied statistics/Tutorials: Difference between revisions
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==Rules of chance== | |||
===The addition rule=== | |||
:::P(A or B) = P(A) + P(B) | |||
===The multiplication rule=== | |||
:::P(A and B) = P(A) x P(B) | |||
===Bayes' theorem=== | |||
:::P(A/B) = P(B/A) x P(A)/P(B) | |||
Revision as of 02:43, 29 June 2009
Rules of chance
The addition rule
- P(A or B) = P(A) + P(B)
The multiplication rule
- P(A and B) = P(A) x P(B)
Bayes' theorem
- P(A/B) = P(B/A) x P(A)/P(B)