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Find the Probability

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  • I spin a spinner with four equal sections 20 times. I got red 7 times. What is the experimental probability of spinning red?
    7/20
  • I roll a number cube 10 times and get 3 twice. What is the experimental probability of rolling a 3?
    2/10 = 1/5
  • I flip a coin 5 times. It lands on heads 3 times. What is the experimental probability of tails?
    2/5
  • I flip a coin 5 times. It lands on heads 3 times. What is the theoretical probability of heads?
    1/2
  • I spin a three-equal section spinner 30 times. I land on the red section 12 times. What is the theoretical probability of landing on red?
    1/3
  • I spin a spinner with four equal sections 20 times. I got red 7 times. What is the theoretical probability of spinning red?
    1/4
  • I roll a number cube 10 times and get 3 twice. What is the theoretical probability of rolling a 3?
    1/6
  • I flip a coin 5 times. It lands on heads 3 times. What is the experimental probability of heads?
    3/5
  • I spin a three-section spinner 30 times. I land on the red section 12 times. What is the experimental probability of landing on red?
    12/30 = 6/15 = 2/5