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Recently, there was a global pandemic brought on by COVID-19 that proved to be particularly stressful and politically divisive. Amongst the politically divisive issues was whether or not people should be required to wear masks in public places. In a local jurisdiction, a poll was conducted to determine the proportion of citizens that support these mask mandates. In order to determine the true proportion of citizens, a survey of 400 was taken. The survey found that 160 supported mask mandates. Calculate a 95% confidence interval of the true proportion