Mathematics, 15.07.2019 22:20 Cmpine

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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There are 300 welders employed at maine shipyards corporation. a sample of 30 welders revealed that...