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17. A court-ordered survey yielded the result that out of a randomly chosen sample of 300 farm workers, 144 were in favor of unionizing. Construct

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17. A court-ordered survey yielded the result that out of a randomly chosen sample of 300 farm workers, 144 were in favor of unionizing. Construct a 90% confidence interval estimate of the proportion of all farm workers who wanted to be unionized. 18 To estimate the mean speed of a certain pitcher's fast ball, a sample of nine fastballs thrown

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