There are 300 welders employed at Maine Shipyards Corporation. A sample of 30 welders
Chapter 0, Problem 30(choose chapter or problem)
There are 300 welders employed at Maine Shipyards Corporation. A sample of 30 welders revealed that 18 graduated from a registered welding course. Construct the 95 percent confidence interval for the proportion of all welders who graduated from a registered welding course.
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