The probability of an event which is impossible to happen is :
Explanation:
If the probability of occurrence of an event is 0, such an event is called an impossible event.
Hence, The probability of an event which is impossible to happen is 0.
Fill in the blank to make the statements true.
The probability of an event which is impossible to happen is .
The probability of happening of an impossible event that is, Pφ is
Probability of an impossible event is equal to