Odds
Betting odds are written in the form 
(``
to 
'') and correspond to the probability of winning 
. Therefore, given a probability 
, the odds ofwinning are 
.
References
Kraitchik, M. ``The Horses.'' §6.17 in Mathematical Recreations. New York: W. W. Norton, pp. 134-135, 1942.
- Pentagram
- Pentagrammic Antiprism
- Pentagrammic Concave Deltahedron
- Pentagrammic Crossed Antiprism
- Pentagrammic Deltahedron
- Pentagrammic Dipyramid
- Pentagrammic Prism
- Pentakaidecagon
- Pentakis Dodecahedron
- Pentalpha
- Pentangle
- Pentatope
- Pentatope Number
- Pentomino
- Percent
- Percentage Error
- Percolation Theory
- Percolation Threshold
- Perfect Box
- Perfect Cubic
- Perfect Cuboid
- Perfect Difference Set
- Perfect Digital Invariant
- Perfect Information
- Perfect Magic Cube