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Sample Item
Selected Response Item for Grade 7
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Standard 5.0 Knowledge of Probability |
Topic B. Theoretical Probability
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Indicator 1. Determine the probability of an event comprised of no more than 2 independent events |
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Objective a. Express the probability of an event as a fraction, a decimal, or a percent
Assessment limit: Use a sample space of no more than 35 outcomes and decimals with no more than 2 decimal places
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To get dressed, Melanie randomly chooses a blouse from her dresser drawer. Then, she randomly chooses a blue skirt from her closet. Melanie has a  probability of being dressed in a blue blouse and blue skirt.
Which blouses does Melanie have in her dresser drawer, and which skirts in her closet, to result in a probability of ?
- Drawer - 2 blue blouses and 1 black blouse
Closet - 1 red skirt, 1 green skirt, and 1 black skirt
- Drawer - 2 blue blouses and 1 red blouse
Closet - 2 blue skirts and 1 brown skirt
- Drawer - 1 blue blouse, 1 green blouse, and 1 red blouse
Closet - 2 blue skirts and 1 red skirt
- Drawer - 1 blue blouse, 1 red blouse, and 1 green blouse
Closet - 1 black skirt, 1 brown skirt, and 1 blue skirt
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| Correct Answer |
C. Drawer - 1 blue blouse, 1 green blouse, and 1 red blouse
Closet - 2 blue skirts and 1 red skirt |
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