Wash up. USA Today reported that among 6,028 adults observed in restrooms, 85% washed their hands. The

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Wash up. USA Today reported that among 6,028 adults observed in restrooms, 85% washed their hands. The margin of error was 1 percentage point.

use the given statistics and margin of error to identify the range of values (confidence interval) likely to contain the true value of the population parameter.

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