A July 2018 Gallup Poll consisting of a random sample of 1033 adult Americans found that 22% believe that immigration is the most important problem facing the nation. Find a 99% confidence interval for the proportion of all adult Americans who believe that immigration is the most important problem facing the nation. Round to 4 decimal places.    Part 1: What is the lower bound? 0.1867 Part 2: What is the upper bound? 0.2533

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