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23.10.2021 •
Mathematics
Lottery Prizes A lottery offers one $800 prize, two prizes, two $500 prizes, and four $100 prizes. One thousand tickets are sold at each. Find the expectation if a person buys four tickets. Assume that the player's ticket is replaced after each draw and that the same ticket can win more than one prize. Round to two decimal places for currency problems.
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Ответ:
120 cubic feet is the answer.