There are 430 welders employed at the Weller Shipyards Corporation. A sample of 45 welders revealed...

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There are 430 welders employed at the Weller Shipyards Corporation. A sample of 45 welders revealed that 36 had graduated fro

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Solution ; det (1-4) 991. confidence interval proportion of weilders who graduated from registered weilding course. [p. zase c 0.005 Za = Zo.oos = 2.58 przą V5 0.8 - 2.58 2.58/ (0.880.2 46 0.1518 0.7452 - pt Za vet 0.8 +2.58 0.84 0.2 15 0.8t 0.15 48

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There are 430 welders employed at the Weller Shipyards Corporation. A sample of 45 welders revealed...

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