To make sure the first wasn't an abnormality.
Repeated trials.
because they use the effect on probability.
repeated trials
Trials are the amount of times a certain experiment is repeated.
If , in the course of your experiment, you run repeated trials with differing results, it is necessary to ensure that only one variable is changing for each experiment. Recheck the data collected for errors.
data from repeated trials of the experiment
Repeated Trials
A large number of repeated trials.
Experimental Probability
Repeated trials of said experiment.
repeated trials
The relative frequency of an event, from repeated trials, is the number of times the event occurs as a proportion of the total number of trials - provided that the trials are independent.