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(Solved): A sample of 100 information systems managers had an average hourly income of $40.00 with a standard ...



A sample of 100 information systems managers had an average hourly income of $40.00 with a standard deviation of $8.00. The value of the margin of error at 95% confidence is a. 1.587. b. 8. c. 80. d. 0.10.



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