Probability - Certain, Likely, Unlikely, Impossible

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What does 'certain' mean in probability?

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'Certain' means that an event is guaranteed to happen, with a probability of 1.

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What does 'likely' mean in probability?

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'Likely' means that an event has a high chance of occurring, typically with a probability greater than 0.5.

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What does 'unlikely' mean in probability?

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'Unlikely' means that an event has a low chance of occurring, typically with a probability less than 0.5.

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What does 'impossible' mean in probability?

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'Impossible' means that an event cannot happen, with a probability of 0.

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How do you calculate the probability of an event?

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Probability is calculated as the number of favorable outcomes divided by the total number of possible outcomes.

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What is the probability of an event that is certain?

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The probability of a certain event is 1.

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What is the probability of an event that is impossible?

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The probability of an impossible event is 0.

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If an event is likely, what can we say about its probability?

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If an event is likely, its probability is greater than 0.5.

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If an event is unlikely, what can we say about its probability?

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If an event is unlikely, its probability is less than 0.5.

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What is an example of a certain event?

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An example of a certain event is the sun rising tomorrow.