A CNN/Time poll conducted in the United States October 18-20, 2006, asked, "Do you favor or oppose the legalization of marijuana?" In the nationwide poll of n = 1771 adults, 22.2% said that they favored legalization. The margin of error was given as 1.33% What level of confidence were they using?

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A CNN/Time poll conducted in the United States October 18-20, 2006, asked, "Do you favor or oppose the legalization of marijuana?" In the nationwide poll of n = 1771 adults, 22.2% said that they favored legalization. The margin of error was given as 1.33%


What level of confidence were they using?
Use a decimal (such as .95 - don't say 95%) 

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