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7:12-2 Experimental probability
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vocab Experimental probability- ratio of the number of times an event occurs to the total number of trials
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Experimental probability In 25 matches against Sam, Peter wins 15 matches. What is the experimental probability that Peter will beat Sam? Peter won 15 matches There are a total of 25 matches So the experimental probability is 15/25 3/5 What is the experimental probability that Sam will beat Peter?
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samples Jacob plays around the world against Mr. M. Jacob wins 5 out of 8 games. What is the experimental probability that Jacob wins? What is the experimental probability that Mr. M wins?
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Simulating an event A quality control officer found that 10 out of 120 toys were flawed. What is the probability of finding a flawed toy? How many would you expect to find in 250 toys?
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The probability that you have a younger sibling is 25%. If 125 students are surveyed, how many are expected to have a younger sibling?
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Questions?
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homework Worksheet p. 235 skip 11
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