EE 391 - Probability Theory
3
Sample Space
uS is the collection or set of all possible outcomes of an experiment.  It is the universal set for this experiment. 
–Discrete Sample Space:  Finite or countably infinite set.  (e.g. faces of a die, the positive integers, students in this class)
–Continuous Sample Space: not countable.  (e.g. the real line, battery voltage in a car)