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Suppose two students are asked to unpack identical cartons of books. One student completes the job in ten minutes, while the other takes twenty minutes. Which student did more work? Which student used more power? *

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Answer:     Statistics Q&A Library Suppose that 30% of all students who have to buy a text for a particular course want a new copy (the successes!), whereas the other 70% want a used copy. Consider randomly selecting 15 purchasers. (a) What are the mean value and standard deviation of …

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