Sum of Probabilities of All Elementary Events of an Experiment Is Unity

Q.

Why do we multiply the probability of independent events?

Q. Complete the statement:
The sum of the probabilities of all the elementary events of an experiment is ___.

Q.

Define an elementary event

Q. Which of the following cannot be a probability of an event ?

1. 0.9
2. 0.5
3. 1.25
4. 99%

Q.

In a single throw of dice, the probability of getting a number greater than 6 is___

1. 1

2. 1/6

3. 1/3

4. 0