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