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Mathematics 9 Online
OpenStudy (anonymous):

**HELP!!!** In a poll of 650 randomly selected high school seniors, 475 plan to attend college for at least 2 years. 6. Find the margin of error. (1 point) +- 4% +- 9% +- 12% +- 18% 7. Determine the sample size that produces a margin of error of . (1 point) about 322 about 478 about 156 about 278

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