Problem-Solving and Data AnalysisEasyEstimating from a random sample of apples
Problem-Solving and Data Analysis practice question
In a random sample of 50 apples picked from an orchard's 5,000 apples, 4 had worms. About how many of the orchard's apples would be expected to have worms?
Answer: 400
4/50 = 0.08, and 0.08 × 5,000 = 400.
Common wrong answers
- If you answered 4
- 4 is the count in the sample.
- If you answered 40
- 40 misplaces a zero.
- If you answered 1250
- 1250 divides 5,000 by 4.
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