APES 110 (APES 110)
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APES 110 | APES110 Gizmos Estimating Population size - 2021
- Exam (elaborations) • 9 pages • 2021
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Student Exploration: Estimating Population Size 
 
 
Vocabulary: percent error, population, sample 
 
 
Prior Knowledge Questions (Do these BEFORE using the Gizmo.) 
 
1.	A jar contains 100 marbles total. Some are black. If you pull 4 marbles out and 1 is black, how many out of the 100 marbles would you guess are black? I would guess around 25. Explain. The reason I would guess 25 is because ¼ is the ratio of black marbles to other marbles being pulled out of 100 and ¼ of 100 is 25. 
 
2.	A ...
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