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A student takes a 5 question multiple choice quiz and each question consists of 4 answers to choose from. What is the probability that the

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A student takes a 5 question multiple choice quiz and each question consists of 4 answers to choose from. What is the probability that the student makes an 80% (4 out of 5) by purely guessing the answers? what is probability that the student gets a 100% on the quiz

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