Mathematics, 16.11.2020 18:10 PlzNoToxicBan
On September 16, 2011, the New York Times reported that the American public's approval rating of Congress had sunk to an all-time low of 12%. Suppose we wanted to carry out another poll the following week. How many individuals must we survey to estimate the proportion who approve of Congress at that point to within 3% at 95% confidence?
Answers: 2
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![n = [\frac{1.96}{0.03} ]^2 *0.12 (1 - 0.12 )](/tpl/images/0901/1450/5ad66.png)
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On September 16, 2011, the New York Times reported that the American public's approval rating of Con...
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