# 8.8.1. Probability

The results of a survey that has been conducted among 100 students on their favourite sports are shown by the table below. If a student is randomly selected, determine his probability of preferring football.

 Favorite Sport Number of Students Football Handball Athletics Tennis Basketball 32 14 5 23 26
• A 0.32
• B 0.14
• C
0.997
• D 0.05

### Example

The results of a survey that has been conducted among 100 students on their favourite sports are shown by the table below. If a student is randomly selected, determine his probability of preferring football.

 Favorite Sport Number of Students Football Handball Athletics Tennis Basketball 32 14 5 23 26

### Solution

The probability of an event is the ratio between the number of outcomes of the event and the number of all possible outcomes in the sample space.

To find the probability that a randomly selected student prefers football, divide the number of students in the survey who prefer football by the total number of students in the survey.

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