Mathematics, 12.02.2021 07:40, antcobra

You are trying to answer a multiple choice question on a standardized test. There are three choices. If you get the question right, then you gain one point, and if you get it wrong, then you lose ¼ point. Assume that you have no idea what the right answer is, so you pick one of the choices at random. What is the expected value of the number of points you get?

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