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Mathematics, 21.05.2021 20:30 Jasten
A 20 question multiple choice test is given to someone who randomly guesses at all 20 questions. If each question has four answer choices, what is the expected number the person will answer correctly? Answer value
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Answers: 1
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A 20 question multiple choice test is given to someone who randomly guesses at all 20 questions. If...
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