Matching Pairs Intro to Probability Online version Students will match definitions to statements. by Ms. Barnum 1 Theoretical Probability 2 An impossible event 3 Experimental Probability 4 A likely event 5 An unlikely event 6 A certain event 7 Likelihood An event that could happen less than half of the time An event that can happen more than half of the time What we expect will happen Something that cannot occur The chance that an event will occur What we observe An event that will definitely occur