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The math test has 10 multiple choice questions, each with 3 answers. If Betty guesses correctly on the first 2 questions, what is the probability that she will guess correctly on the third question?
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The math test has 10 multiple choice questions, each with 3 answers. If Betty guesses correctly on the first 2 questions,

what is the probability that she will guess correctly on the third question?

User Smokris
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Update It is 1/4 sorry about that

User Cavin
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