| A | B |
|---|
| sample space | list of all possible outcomes |
| probability | favorable : possible outcomes |
| event | desired outcome |
| null event | 0 probability |
| certain event | probability of 1 |
| probability range | 0 to 1 |
| permutation | arranged in particular order |
| 0! (zero factorial) | 1 |
| theoretical probability | result of using a formula |
| experimental probability | result of doing an experiment |
| compound event | at least two simple events |
| mutually exclusive events | two events cannot both occur |
| independent event | event has no effect on second event |
| dependent event | one event affects the outcome of second event |
| Probability (A or B) | Probability(A) + Probability(B) |
| Probability(A and B) | Probability(A) x Probability(B) |
| complementary events | probability sum of 1 |
| 25% | unlikely event |
| 75% | likely event |
| tree diagram | organized list of possible outcomes |
