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QUESTION
Cameron Sinclair, Information Services Manager with Global Financial Service (GFS), is studying employee use of GFS email for non-business...
Cameron Sinclair, Information Services Manager with Global Financial Service (GFS), is studying employee use of GFS email for non-business communications. A random sample of 200 email messages was selected. 170 of the messages were business related. The 95% confidence interval for the population proportion is _________.
