Some standardized tests, such as the SAT test, incorporate a penalty for wrong answers. For example, a
Question:
incorrect answer. Questions left blank are worth 0 points.
(a) Find the expected number of points received for a multiple-choice question with five possible answers when a student just guesses.
(b) Explain why there is a deduction for wrong answers.
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a Let X the number of points received for the ques...View the full answer
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