Q: What is a probability of a not event?

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It is the probability of an event that will definitely happen.

If the probability of an event is zero then that event cannot happen

80%

Dependent probability is the probability of an event which changes according to the outcome of some other event.

For any event A, Probability (not A) = 1 - Probability(A)

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The probability of an impossible event is 0.The probability of an impossible event is 0.The probability of an impossible event is 0.The probability of an impossible event is 0.

The probability of an impossible event is 0.The probability of an impossible event is 0.The probability of an impossible event is 0.The probability of an impossible event is 0.

The probability of the complement of an event, i.e. of the event not happening, is 1 minus the probability of the event.

The complement (not compliment) of the probability of event A is 1 minus the probability of A: that is, it is the probability of A not happening or "not-A" happening.The complement (not compliment) of the probability of event A is 1 minus the probability of A: that is, it is the probability of A not happening or "not-A" happening.The complement (not compliment) of the probability of event A is 1 minus the probability of A: that is, it is the probability of A not happening or "not-A" happening.The complement (not compliment) of the probability of event A is 1 minus the probability of A: that is, it is the probability of A not happening or "not-A" happening.

The probability of an event not occurring is 1 minus the probability of it occurring.

The probability that an event will occur plus the probability that it will not occur equals 1.

Probability of sure event is 1

If p refers to the probability of an event, then the answer is "certainty".If p refers to the probability of an event, then the answer is "certainty".If p refers to the probability of an event, then the answer is "certainty".If p refers to the probability of an event, then the answer is "certainty".

A probability event that is impossible is one that will not happen, i.e. its probability is zero.

An event that will definitely happen is an event with 100% probability.

No. The probability of an event ranges from 0 (the event will not happen) to 1 (the event will happen).

an impossible event has a probability of 0, it will never occur a certain event has a probability of 1, it will always occur