Suppose a researcher wants to estimate the proportion of potential voters who support a law that forbids smoking in public, with a margin of error of 3%. How many potential voters must be surveyed if we want a 95% confidence interval?
Question Description
Suppose a researcher wants to estimate the proportion ofpotential voters who support a law that forbids smoking in public, with amargin of error of 3%. How many potential voters must be surveyed if we want a95% confidence interval?
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