2.2 EXPERIMENT SAMPLE SPACE SAMPLE POINT AND EVENTS 4。E∨ents An event: a collection of the possible outcomes of an experiment; that is, it is a subset of the sample space Mutually exclusive events the occurrence of one event prevents the occurrence of another event at the same time Equally likely events: one event is as likely to occur as the other event Collectively exhaustive events: events that exhaust all possible outcomes of an experiment2.2 EXPERIMENT, SAMPLE SPACE, SAMPLE POINT, AND EVENTS • 4. Events An event: a collection of the possible outcomes of an experiment; that is, it is a subset of the sample space. Mutually exclusive events: the occurrence of one event prevents the occurrence of another event at the same time. Equally likely events: one event is as likely to occur as the other event. Collectively exhaustive events: events that exhaust all possible outcomes of an experiment