Theoretical and Experimental Probability


Experiment with spinners and compare the experimental probability of a particular outcome to the theoretical probability. Select the number of spinners, the number of sections on a spinner, and a favorable outcome of a spin. Then tally the number of favorable outcomes.

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Assessment Questions (4):

  1. A spinner is divided into four sections of equal size, numbered 1, 2, 3, and 4. You spin it three times, with the following results: 1, 4, 3. Which of the following is FALSE?
  2. When would you expect the experimental probability of an event to be closest to its theoretical probability?
  3. An event has a theoretical probability of 20%. Which of the following must be true?
  4. If a spinner has 10 equal-sized sections, which of the following will be false?

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