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Mathematics 11 Online
OpenStudy (theislander):

A certain survey conducted had a population proportion of at most 22% for people who agreed. What is the confidence level if 20% of the people sampled agreed, and the standard error of the proportion is ±1%?

OpenStudy (theislander):

68% 70% 99.7% 100% 95%

OpenStudy (anonymous):

well if it's plus/minus 1 percent, then it sounds like the confidence interval would be 20 - 1 = 19% to 20+1 = 21% the answers are not correct

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