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Hi, how would I go about solving this? A multiple-choice test contains 20 questions, each of which has 5 answers each to choose from. If

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Hi, how would I go about solving this?

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A multiple-choice test contains 20 questions, each of which has 5 answers each to choose from. If a student randomly guesses all of her answers, what is the probability that she will get at least 13 of the questions incorrect? O A. .829 O B. .913 O C. .968 O D. .032

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