Definition Of Equally Likely

The outcomes of an experiment are equally likely to occur when the probability of each outcome is equal.

Example of Equally Likely

When you toss a fair coin, you are equally likely to get a head or a tail.
When you roll a fair die, you are equally likely to roll a 1, 2, 3, 4, 5, or 6.

Video Examples: Finite Mathematics - Probabilities, Events and equally likely outcomes
 

Solved Example on Equally Likely

Ques: Which one of the following best replaces the blank? 'A and B are playing tennis. The event of A or B winning the match is ______________.'

Choices:

A. a likely event 
B. an unlikely event
C. an equally likely event 
D. none of the above
Correct Answer: C

Solution:

Step 1: Both A and B have equal chances of winning the match.
Step 2: So, it is an equally likely event.

Related Worksheet

• Likelihood-of-an-Event-Gr-7