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Probability

Vocabulary. Probability. Complementary Events. Two events in which either one or the other must take place, but they cannot both happen at the same time. The sum of their probabilities is 1. event. A specific outcome or type of outcome. independent events.

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Probability

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  1. Vocabulary Probability

  2. Complementary Events Two events in which either one or the other must take place, but they cannot both happen at the same time. The sum of their probabilities is 1.

  3. event A specific outcome or type of outcome.

  4. independent events Two or more events in which the outcome of one event does not affect the outcome(s) of the other event(s).

  5. outcomes Possible results of a probability event.

  6. population The entire group of items or individuals from which the samples under consideration are taken.

  7. random A variety of outcomes that is equally likely to occur.

  8. sample A randomly-selected group that is used to represent a whole population.

  9. sample space The set of all possible outcomes in a probability experiment.

  10. survey A question or set of questions designed to collect data about a specific group of people.

  11. theoretical probability The ratio of the number of ways an event can occur to the number of possible outcomes.

  12. tree diagram A diagram used to show the total number of possible outcomes in a probability experiment.

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