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Year 7 Probability
Definitions and facts from the NSW Year 7 Probability Topic
Term | Definition |
---|---|
certain | sure to happen, the opposite of impossible |
Probabilities range from | 0 to 1 |
The probability of an impossible event is | 0 |
event | a result involving one or more outcomes |
Probabilities may be written as | fractions, decimals or percentages |
sample space | a list of of all possible outcomes from an experiment and enclosed in a set of { } |
random | every possible outcome has an equal chance |
outcome | a single result from a situation or experiment |
equally likely | to have exactly the same chance of occurring |
complementary event | the 'opposite event' |