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QUESTION 2.4 An exciting computer game is released. Fifty-five percent of players complete all the levels. Thirty percent of them will then buy an advanced

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QUESTION 2.4 An exciting computer game is released. Fifty-five percent of players complete all the levels. Thirty percent of them will then buy an advanced version of the game. Among 20 users, what is the expected number of people who will buy the advanced version? What is the probability that at least two people will buy it

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