| A | B |
|---|
| Arrangements or listings where order is not important | combinations |
| the ratio of the number of waysan event can occur to the number of possible outcomes | probability |
| a specific outcome or type of outcome | event |
| the entire group from which samples are taken | population |
| a diagram used to show all the possible outcomes | tree diagram |
| a randomly selected group chosen for the purpose of collecting data | sample |
| a word that means the same as results | outcomes |
| when one event's occurring does not affect another event | independent event |
| two events in which either one or the other can occur, but not both | complementary events |
| events that happen by chance | random events |
