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There are 420 welders employed at the Weller Shipyards Corporation. A sample of 35 welders revealed that 21 had graduated from a registered welding course.

There are 420 welders employed at the Weller Shipyards Corporation. A sample of 35 welders revealed that 21 had graduated from a registered welding course. Construct the 98% confidence interval for the proportion of all welders who graduated from a registered welding course.(Round the final answers to 3 decimal places.)

The confidence interval is betweenand.

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