The probability of a sure event is ___.

Hint : Probability of hundred percent of happening of event is $1$

The probability of a sure event is $1.$

NOTE :- A sure event is an event, which always happens. For example ,it's a sure event to obtain a number between 1 and 6 when rolling an ordinary die. The probability of a sure event has the value of 1. The probability of an impossible event has the value of 0.

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