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A sample of 120 items from lot A contains 24 defective items, and a sample of 150 items from lot B is found to contain

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A sample of 120 items from lot A contains 24 defective items, and a sample of 150 items from lot B is found to contain 12 defective items. Construct a 90% confidence interval for the difference of proportions of defective items from lot A and lot B. Show your work in the following html window. Write your answer in interval notation a, b . Round your a and b to two decimal places

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