Sure event

Q.

The probability of an event E that will definitely happen is 1. Such an event is called a ___ event.

Q. Complete the statements:
The probability of an event that is certain to happen is ___ .
Such an event is called ___

Q.

The probability of certain (sure) event is ___ .

1. $\frac{1}{2}$

2. $\frac{1}{3}$

3. $\frac{1}{6}$

4. $1$

Q.

State whether the given statement is true or false:

The probability of occurrence of a sure event is 1.

1. True

2. False

Q.

Events which consist of only one outcome of an experiment are called __

Q.

An event whose probability of occurrence is 1, is called as a ___ event.