Multiple choice test questions are commonly used for standardized tests, including the SAT, ACT, and LSAT. When
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Multiple choice test questions are commonly used for standardized tests, including the SAT, ACT, and LSAT. When scoring such questions, it is common to compensate for guessing. If a test consists of 100 multiple choice questions, each with possible answers of a, b, c, d, e, and each question has only one correct answer, find μ and σ for the number of correct answers provided by someone who makes random guesses. What do μ and σ measure?
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