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2 nd Nine Weeks Exam Review – Unit 6

2 nd Nine Weeks Exam Review – Unit 6. Probability Key Points. Mutually Exclusive…. Events that are mutually exclusive cannot happen at the same time. For example, being a boy and a girl are mutually exclusive events. Complement….

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2 nd Nine Weeks Exam Review – Unit 6

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  1. 2nd Nine Weeks ExamReview – Unit 6 Probability Key Points

  2. Mutually Exclusive….. • Events that are mutually exclusive cannot happen at the same time. • For example, being a boy and a girl are mutually exclusive events.

  3. Complement…. • The complement of a probability is what the probability is NOT. • For example: If the probability of wearing red today is 0.35, then the probability of NOT wearing red is 1 – 0.35 = 0.65

  4. “And” verses “Or” • “And” probabilities you multiply (You must be aware if the events are independent or not independent) • “Or” probabilities you add AND subtract any intersections.

  5. Theoretical vs. Experimental Probability • Theoretical: assumes all outcomes in the sample space are equally likely to occur. • Experimental: outcomes taken from an experiment.

  6. “Given”……

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