Poisson Trials
A number 
Trials in which the probability of success 
varies from trial to trial. Let 
bethe number of successes, then
 | (1) |
is the Variance of and 
. Uspensky has shown that | (2) |
 |  |  | (3) |
 | |  | (4) |
 | |  | |
|  | (5) |
and
. The probability that the number of successes is at least is given by | (6) |
successes in trials as | (7) |
 |  |  | |
| (8) | |||
 | |  | (9) |
- Centered Pentagonal Number
- Centered Polygonal Number
- Centered Square Number
- Centered Triangular Number
- Center Function
- Center (Group)
- Center of Gravity
- Center of Mass
- Centillion
- Central Angle
- Central Beta Function
- Central Binomial Coefficient
- Central Conic
- Central Difference
- Centralizer
- Central Limit Theorem
- Central Trinomial Coefficient
- Centrode
- Centroid (Function)
- Centroid (Geometric)
- Centroid (Orthocentric System)
- Centroid (Triangle)
- Certificate of Compositeness
- Certificate of Primality
- Cesàro Equation