Quantifiable likelihood (chance) of the occurrence of an event expressed as odds, or a fraction of 1. Probability is estimated usually through repeated random sampling, and is represented numerically as between 0 (impossibility) and 1 (certainty).

Use probability in a sentence

  • While the weather forecasters are not sure of the future's weather, they have a high probability of being correct in their predictions.

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  • The probability that something is going to happen is never zero which means you always have a chance, which is reassuring.

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  • We should make sure we have figured out the probability of that outcome as best as we possibly can before we invest too much.

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