| A | B |
| PROBABILITY | THE RATIO OF THE NUMBER OF WAYS THAT AN OUTCOME CAN OCCUR TO THE TOTAL NUMBER OF DIFFERENT POSSIBLE OUTCOMES OF THE EVENT |
| EXPERIMENTAL PROBABILITY | THE PROBABILITY OF AN EVENT HAPPENING BASED ON AN ACTUAL EXPERIMENT |
| THEORETICAL PROBABILITY | THE PROBABILITY OF AN EVENT HAPPENING BASED ON GENERAL OBSERVATION AND NOT AN EXPERIMENT |
| INDEPENDENT EVENTS | EVENTS THAT HAVE NO INFLUENCE ON EACH OTHER |
| DEPENDENT EVENTS | EVENTS THAT ARE INFLUENCED BY OTHER EVENTS |
| COUNTING TECHNIQUES | THESE ARE USED TO FIND THE NUMBER OF POSSIBLE OUTCOMES OF AN EVENT . TREE DIAGRAMS AND THE FUNDAMENTAL COUNTING PRINCIPLE ARE TWO OF THE TECHNIQUES |
| TREE DIAGRAMS | DIAGRAMS THAT USE BRANCHES TO SHOW THE OUTCOME SET OF A SITUATION |
| FUNDAMENTAL COUNTING PRINCIPLE | USED WHEN OTHER COUNTING TECHNIQUES ARE CUMBERSOME , SUCH AS A TREE DIAGRAM HAVING TOO MANY POSSIBLE OUTCOMES . THIS COUNTING TECHNIQUE USES MULTIPLICATION TO FIND THE NUMBER OF POSSIBLE OUTCOMES |
| PERMUTATION | AN ARRANGEMENT OF ITEMS , OR EVENTS , IN A PARTICULAR ORDER |
| COMBINATION | AN ARRANGEMENT OF ITEMS , OR EVENTS , WHERE THE ORDER DOES NOT MATTER |