0
By definition, the probability of an event is always some number between 0 and 1. Sometimes we think of these as percents. For example, if something has a probability of 25%, the probability is simply 25/100, or .25.
By this definition, nothing can have probability 3 or 1.2, or any negative number whatsoever. Only probabilities between 0 and 1 (inclusive) are allowed.
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What is a probability of 0 which means the event has to happen?
If the probability of an event is zero then that event cannot happen
Does something that can never happen have a probability of 0?
Yes, a probability of 0 is something that cannot happen.
What is the smallest value of probability?
0, which is something that cannot happen.
Why probability always lays 0 to 1?
0 represents that is will never happen. It means that there is no probability that it will happen. 1 represents that is is certain to happen. You cannot be more certain than definitely certain, and something cannot be less probable than not at all.
Is the probability 1.2 nil possible?
Probabilities go from 0 to 1. This is a steady increase with 0.5 meaning 50% of "equally likely to happen as not." 0 probability means that it is impossible something will happen. 1 probability means it is definite something will happen. Therefore, you cannot have probability 1.2 as this is more than "definitely going to happen."
