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Mathematics, 28.01.2020 06:31 amcda213040
Sally is completely unprepared for a three-question multiple-choice pop quiz, so she randomly guesses the answer to each question. if each question has four choices, then what is the probability that she gets at least two questions correct?
a) 0.0469
b) 0.0625
c) 0.1406
d) 0.1563
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Answers: 3
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