Probability

P (E) = Success/Sample Space
Sample Space
A sample space is basically all possible outcomes. Some ways used to illustrate sample space are:
         - Tree diagrams



       
          - Ordered pairs
      {(1,1)(1,2)(1,3)(1,4)(1,5)(1,6)}
Independent events are when two events occur at the same time that does not affect the probability of the other.
                EX. Picking marbles and rolling a dice.
Dependent events are when two events occur that does affect the probability of the other
                EX. Taking gum from a gum ball machine without replacement.

Example: A jar has 16 green marbles and 5 red marbles. If one marble is pickd from the jar what is the probability that it will be red?

P (E) = Success/Sample Space

p (E) = 5/21