Matching Pairs Probability ReviewOnline version Probability review game by Anna Wulff 1 Complement of an event 2 Probability of 100% 3 Theoretical Probability 4 5 Probability 6 7 Experimental Probability 8 Sample Space 9 Prediction As likely as not the measure of how likely the event is to occur Something you can reasonably expect to happen in the future Estimation of the probability of an event The probability of an event when all outcomes are EQUALLY LIKELY Unlikely All the possible outcomes of an experiment Set of all outcomes that are not the event Certain