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In an exam, there are three true-false questions. A student just makes random guessing on all three questions. a) What is the probability that all

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In an exam, there are three true-false questions. A student just makes random guessing on all three questions. a) What is the probability that all three answers are non-correct? O 1/8 1 3/8 O 1.2 Question 9 (5 points) In an exam, there are three true-false questions. A student just makes random guessing on all three questions. b) What is the probability that at least one answers will be correct? 0 7/8

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