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What is probability?

Back

Probability is the measure of the likelihood that an event will occur, expressed as a ratio of favorable outcomes to all possible outcomes.

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What does theoretical probability refer to?

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Theoretical probability refers to what should happen in an ideal situation based on the possible outcomes.

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What does it mean if an event is described as 'certain'?

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If an event is described as 'certain', it means that it is guaranteed to happen.

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What does it mean if an event is described as 'impossible'?

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If an event is described as 'impossible', it means that it cannot happen at all.

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What does 'likely' mean in terms of probability?

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'Likely' means that there is a good chance that the event will happen.

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What does 'unlikely' mean in terms of probability?

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'Unlikely' means that there is a small chance that the event will happen.

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What does 'even chance' mean?

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'Even chance' means that there is an equal probability of two or more outcomes occurring.

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What is an outcome in probability?

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An outcome is a possible result of a probability experiment.

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What is a sample space?

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A sample space is the set of all possible outcomes of a probability experiment.

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What is an event in probability?

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An event is a specific outcome or a set of outcomes from a probability experiment.