Tricki

a repository of mathematical know-how

#### A

#### B

#### I

#### K

#### S

#### T

- To compute probabilities of unions and intersections, use the inclusion-exclusion formula
- To compute the probability that exactly k of n events occur, use generalized inclusion-exclusion
- To increase the occurrence of a property in a set, try randomly refining that set in a way that favors the property

#### U

4 years 51 weeksago5 years 8 weeksago5 years 9 weeksago5 years 38 weeksago6 years 7 weeksago