| A | B |
| complement | set of all outcomes that are not the event |
| compound event | event made up of two ore more simple events |
| event | an outcome or set of outcomes of an experiment |
| experiment | in probability, any activity based on chance |
| experimental probability | raiot of the number of times an event occurs to the number of trials |
| outcome | possible result of a prbability experiment |
| probability | number from 0 to 1 (0% to 100%) of how likely an event is to occur |
| simple event | an event consisting of only one outcome |
| simulation | model of an experiment |
| trial | each repetition or observation of an experiment |