The exhaust system of an automobile is first given an emission check and then given a vibration check. The result of an emissions check can be satisfactory (S), marginal (M), or unsatisfactory (U), and the result of a vibration check can be high vibration (H) or low vibration (L) or no vibration (N).
What is the sample space for this situation?
Sample Space = { }
Find the event that the emissions check is satisfactory. Event = { }