Question

The probability of an event which is certain to happen is

0
1
1/2
1/3​

Answer 1

Answer:

Step-by-step explanation:

A certain event is an event which is sure to happen.

The probability of an event is the chance of that event occurring.

For example: The probability of picking 5 red balls out of a bag having 6 red balls, 7 green balls, and 10 blue balls is the chance of selecting 5 red balls out of the bag.

The probability of an event is given by P(E)=Number of favourable outcomesNumber of total outcomes

.

We will check each of the given options using the definition of probability and its formula.

The probability of an event is 0 if the number of favourable outcomes is 0.

This means that there is no chance that the event can take place.

For example: The probability of picking 5 white balls out of a bag having 6 red balls, 7 green balls, and 10 blue balls is 0.

Therefore, the probability of a certain event cannot be 0.

Thus, option (a) is incorrect.

Answer 2

Answer:

1

Step-by-step explanation:

The event that is sure to happen is called a certain event and probability of such an event is 1 as this event is bound to happen.

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