Digital SAT Math Practice Question #1275
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College Board rule: Look for 'plausible' within $(64 - 2.8)$ and $(64 + 2.8)$, restricted strictly to the population sampled (metropolitan registered voters).
A margin of error of $\pm 2.8\%$ around a sample statistic of $64\%$ defines a confidence interval from $64 - 2.8 = 61.2\%$ to $64 + 2.8 = 66.8\%$. Because the sample was randomly selected from registered voters in that metropolitan area, i...
Distractor Analysis: Trap choice eliminates careless test-takers who confuse roots with coordinates...
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