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