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A student is taking a multiple choice test where each question has 4 answer choices A, B, C or D. The student earns 1 point

A student is taking a multiple choice test where each question has 4 answer choices A, B, C or D. The student earns 1 point if the student gets the question correct and -.25 points if the student gets the question wrong. If the student has no idea of the correct answer on one question, what is the expected value of that one question?

A student is taking a multiple choice test where each question has 4 answer choices A, B, C or D. The student earns 1 point if the student gets the question correct and -.25 points if the student gets the question wrong. If the student has no idea of the correct answer on one question, what is the expected value of that one question?

.25

-.5

-.75

.75

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