Javier wants to estimate the percentage of people who have purchased a used car. He surveys 250 individuals and finds that 212 have purchased a used car. Find the margin of error for the confidence interval for the population proportion with a 95% confidence level.   z0.10 z0.05 z0.025 z0.01 z0.005 1.282 1.645 1.960 2.326 2.576

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