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Question #1
You have purchased stock in a new company. Based on similar companies, the chance of having a return of $2000 based on what you invested is 12% and the chance of losing $1000 is 88%. What are your expected earnings from the stock?
Question #2
Foreign soccer leagues often test their athletes for using illegal performance enhancing drugs. The probability that a student fails chemistry is 0.23. The probability that the student fails chemistry and physics is 0.17. Find the probability that the student fails chemistry given that he or she fails physics.
Question #3
The winning a raffle at work is 1 to 20. What is the probability that you win?
Requirements:
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