# Probability

## Models & Axioms

* Sample space 
  * List `set` of possible possible outcomes (OHM)
  * Mutually exclusive - there will be a definite outcome 
  * collectively exhaustive 
  * at the right granularity 
  * Model definition 
* probability laws 
* **Examples** 
  * Discrete  / finite 
    * two rolls of a tetrahedral die 
  * continuous
  *