Question

What is the probability of occurrence of an event​

Answer 1

Answer:

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.

Answer 2

If there is a chance that an event will occur, then its probability is between 0 and 1.

And if it is sure that will occur then 1,

Or not possibly can occur then it is zero.