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Kali develops a True/False quiz for her statistics course. A student, who did not study, randomly guesses the answer to each question. If the quiz

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Kali develops a True/False quiz for her statistics course. A student, who did not study, randomly guesses the answer to each question. If the quiz has 20 questions, what is the probability that this student will answer a) exactly 14 questions correctly? __ IL b) at least 12 questions correctly? ell

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