| A | B |
|---|
| complement | All the ways that an event can not happen. |
| compound event | An event made up of two or more simple events. |
| equally likely | Outcomes that have the same probability. |
| experimental probability | The ratio of the number of times an event occurs to the total number of trials, or times that the activity is performed. |
| outcome | A possible result of a probability experiment. |
| prediction | A guess about something that will happen in the future. |
| probability | A number from 0 to 1 (or 0% to 100%) that describes how likely an event is to occur. |
| theoretical probability | The ratio of the number of equally likely outcomes in an event to the total number of possible outcomes. |
