Question

What is the probability of the following.

(a) An event A that is certain to occur?
(b) An event B that is impossible?
Enter an exact number

Answer 1

(a) The probability of an event A that is certain to occur is 1.

(b) The probability of an event B that is impossible is 0.

Explanation:

The probability of an event can be described as the chance that the event will occur.

The probability that an event will occur is between 0 and 1.

Based on the above, we can answer as follows:

(a) What is the probability of an event A that is certain to occur?

The probability of an event A that is certain to occur is 1.

(b) What is the probability of an event B that is impossible?

The probability of an event B that is impossible is 0.