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OpenStudy (anonymous):
Let X represent the outcome of a single roll of a fair die. Suppose you will win $2 if the outcome is either 2 or 5, and lose $1 otherwise. What are your expected winnings in 20 tosses? A. You will not win or lose any money. B. You will lose $20. C. You will win $10. D. You will win $20.
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OpenStudy (anonymous):
its not B thats forsure.
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