Question

Give a definition of possible events impossible events and sure events

Answer 1

Impossible event is an event which does not occur in the sample space of an experiment. It is, well, impossible. ... Sure event is an event which is going to happen in the sample space everytime, no matter what. Its probability is 1. For example, getting less than 7 in a single throw of a fair die.

Answer 2

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• An event whose probability equals 1 is called the sure event.
• An event whose probability is equals 0 is called an impossible event.