Mathematics, 11.07.2019 23:20 chivitogomez2400
Apolling company conducts an annual poll of adults about political opinions. the survey asked a random sample of 308 adults whether they think things in the country are going in the right direction or in the wrong direction. 46% said that things were going in the wrong direction. complete parts a and b below. a) calculate the margin of error for the proportion of all adults who think things are going in the wrong direction for 95% confidence. b) would the margin of error be larger or smaller for 85% confidence?
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Apolling company conducts an annual poll of adults about political opinions. the survey asked a rand...
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