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English 9 Public

Theoretical & Experimental Probability

Study Slideshow

#Math #PROBABILITY #theoretical probability #experimental probability

I roll a number cube 10 times and get 3 twice. What is the theoretical probability of rolling a 3?

1/6

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I roll a number cube 10 times and get 3 twice. What is the experimental probability of rolling a 3?

2/10 = 1/5

15

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

15

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

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I flip a coin 5 times. It lands on heads 3 times. What is the theoretical probability of heads?

1/2

15

I flip a coin 5 times. It lands on heads 3 times. What is the experimental probability of heads?

3/5

15

I flip a coin 5 times. It lands on heads 3 times. What is the experimental probability of tails?

2/5

15

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

15

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

15