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What is the maximum standard deviation

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A company manufactures 7 foot 6 inch aluminum fence, how much the average post that they manufacture weighs (in pounds), so they decide to weigh 25 such posts and record the results. company wants to be 98% confident in the average weight of all their manufactured posts to within 0.5 lbs., what is the maximum standard deviation they can record from their sample before they will have to increase their sample size for greater accuracy?

Reference no: EM132201194

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