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A sophomore takes a twenty-question multiple choice test with four possible answers to each question. If she knows the answers to twelve of the problems, what is the probability of her scoring 90% on the test while guessing on the remaining problems? |
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Math Scoring Guide |
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| Name: ________________________ | Period: ____ | |||||
| Teacher: ______________________ |
Date: ___/____/___ |
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| CU - Conceptual Understanding | 1 | 2 | 3 | 4 | 5 | 6 |
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Comments: |
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| PS - Processes & Strategies | 1 | 2 | 3 | 4 | 5 | 6 |
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Comments: |
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| V - Verification | 1 | 2 | 3 | 4 | 5 | 6 |
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Comments: |
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| C - Communication | 1 | 2 | 3 | 4 | 5 | 6 |
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Comments: |
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| ACC - Accuracy | 1 | 4 | 5 | |||
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Comments: |
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| ___ May be revised and returned for an improved score. | ||||||