what is the probability of a certain outcome
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Step-by-step explanation:
The probability of an event is a number describing the chance that the event will happen. An event that is certain to happen has a probability of 1. An event that cannot possibly happen has a probability of zero. If there is a chance that an event will happen, then its probability is between zero and 1.
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Step-by-step explanation:
p=number of trials in which the event happened /total number of trials
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