A probability found by conducting an experiment and recording the number of trials and the results of each trial.
For example:
If we conducted an investigation of how many times you roll one dice and get four (out of 10 rolls) and we record how many you get on each roll, the results would be an experimental probability.
Roll of Die |
Points Scored |
|
1 |
5 |
|
2 |
4 |
|
3 |
1 |
|
4 |
6 |
|
5 |
4 |
|
6 |
1 |
|
7 |
2 |
|
8 |
3 |
|
9 |
5 |
|
10 |
4 |
In this case, the
experimental probability of rolling a four is 3/10 (3 out of 10), or 0.3 (about
30%).