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Question No: 3 (a) A factory produces 2.5% of defective items.If a sample of 200 items is taken at random from the productionStandard Normal Probabilities Z 0.00 0.01 0.02 0.03 0.04 0.05 0.06 0.07 0.08 0.09 0.0 0.0000 0.0040 0.0080 0.0120 0.0160 0.01t-distribution table 50% 80% 90% 95% 98% 99% Confidence intervals One tail, a Two tails, a. df 0.01 0.02 31.821 6.965 4.541 3

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