Question: can you please help me out with this 2 question fast F Q1 ) there are 480 welders employed at the weller shipyards corporation. A

can you please help me out with this 2 question fast

F Q1 ) there are 480 welders employed at the weller shipyards corporation. A sample of 45 welders revealed that 27 had graduated from a registered welding course , Contract the ggy, confidence interval for the proportion of all welders who graduted from aregistered welding course IS ( what Q 2 ) Asample of 52 observations is taken from anormal population with astandard deviation of 30 . the sample mean is 46 , Determine the confidence interval for the population mean is

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