Probability Experiments — Single Events

Grade 5 probability formalizes the fraction representation: the probability of rolling a 3 on a standard die is 1/6 because there is 1 favourable outcome out of 6 equally likely outcomes. This fraction can also be written as a decimal (0.167) or a percent (16.7%). The experimental fraction from many trials should approach this theoretical value. Independence means the previous flip does not change the probability of the next flip: each trial is a fresh start.