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Six Sigma Green Belt Exam Prep

Category - Six Sigma Green Belt

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Operators of a local racetrack are interested in calculating the probability of rain during a major upcoming event. When calculating probability, what assumption is made about all outcomes of an event?
  1. that they are a greater value than individual outcomes
  2. that they are a smaller value than individual outcomes
  3. that they have an equal likelihood of occurrence
  4. that they have an unequal likelihood of occurrence
Explanation
Answer: C - When calculating probability, an assumption is made that all outcomes of an event have an equal likelihood of occurrence.
Key Takeaway: Probability calculations are important in predicting the outcome of events. If the local racetrack owner finds the probability of rain spoiling a major event to be 50%, for example, he or she may choose an indoor venue.
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