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Year 10 Probability
Definitions and facts from the NSW Year 10 Probability Topic
| Term | Definition |
|---|---|
| Probability | Another name for 'chance' or 'likelihood'. It is a measure of how likely an event is to occur |
| Experiment | is an activity or process where the result in unknown or uncertain |
| Outcome | the result of an experiment |
| Sample space | all possible outcomes of an experiment |
| Event | A result involving one or more outcomes |
| Trial | is a single action |
| Random Sample | is a sample for which every member of the population has an equal chance of selection |
| Equally likely | each outcome has the same chance of occurring |
| Complementary Event | The 'opposite event' or those outcomes which do not make up the event |
| Relative Frequency | The number of times an event occurs compared with the total frequency |
| Certain | Must occur. A probability of 1 |
| Impossible | Can not occur. A probability pf 0 |