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Sample Item
Selected Response Item for Grade 8
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Standard 5.0 Knowledge of Probability |
Topic C. Experimental Probability
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Indicator 1. Analyze the results of a survey or simulation |
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Objective a. Make predictions and express the probability of the results as a fraction, a decimal with no more than 2 decimal places, or a percent
Assessment limit: Use 20 to 500 results
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Alexandra conducted a survey of 50 candles made by several different workers at a candle factory. She determined that 4% of the candles had mistakes. Based on the results of Alexandra's survey, what prediction can she make about the next 500 candles made by these workers at the factory?
- 4 candles will have mistakes.
- 20 candles will have mistakes.
- 40 candles will have mistakes.
- 200 candles will have mistakes.
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| Correct Answer |
| B. 20 candles will have mistakes. |
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