Question: In 2002, the General Social Survey (which uses a method similar to simple random sampling) asked, Have you experienced back pain in the past 12

In 2002, the General Social Survey (which uses a method similar to simple random sampling) asked, "Have you experienced back pain in the past 12 months?" For this question, 506 people said that they had out of 1776 randomly selected people. What is the 99% confidence interval for the proportion of all Americans who have experienced back pain in the past 12 months?

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