It is 0.
Chat with our AI personalities
It is something that cannot happen.
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).
The probability of an event that is certain to happen is 1.
A probability event that is impossible is one that will not happen, i.e. its probability is zero.