Probability Simulations Gizmo | ExploreLearning

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Michal Kreiselman

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Probability Simulations

Experiment with spinners and compare the experimental probability of particular outcomes 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):

A spinner is divided into 20 equal sections. What is the probability of the spinner's pointer landing on section 5?
- A.
- B.
- C.
- D.
You spin a spinner 48 times. Out of the 48 trials, the pointer lands 6 times on section 2. What is the experimental probability of the pointer landing on section 2?
- A.
- B.
- C.
- D.
A spinner is divided into an unknown number of equal-sized sections. Your friend spins it 100 times, and tells you that it landed on section 1 25 times. Which of the following is the best estimate of the number of sections the spinner is divided into?
- A. 4
- B. 25
- C. 100
- D. 400
You and a friend are playing a game using a spinner divided into 4 equal sections. Which of the following would not be a fair game?
- A. You win if the pointer points at 1 or 2, otherwise your friend wins.
- B. You win if the pointer points at an even number, otherwise your friend wins.
- C. You win if the pointer points at any number except 3, otherwise your friend wins.
- D. All of the above games are fair.

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