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March 30, 2015

Homework Help: AP Statistics

Posted by Blegh on Saturday, November 3, 2012 at 2:29pm.

We guess, based on historical data, that 30% of graduating high-school seniors in a large city will have completed a first-year calculus course. What's the minimum sample size needed to construct a 95% confidence interval for a proportion with a margin of error of 2.5%?


1537

1291

1286

1533

1223

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