Margin of error and confidence intervals
Probability and inference · Stage 3
Recognize the pattern
Add and subtract the margin from the estimate.
Useful ruleestimate ± margin of error
Build on: PSD-11
Try it before reading the solution
An estimate is 62% with a ±4% margin of error. Give the interval.
This teaching example is original and is not an official SAT question.
Reasoning
62−4=58 and 62+4=66.
Answer58% to 66%
03 · Next step
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Practice questions remain in English, as on the SAT.