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20 October, 12:05

Leanna guesses on four multiple choice test questions in a row. If each question has 3 possible answers, what is the probability that Leanna will guess the answer to the 4th question correctly? A. 1/81 B. 1/12 C. 1/3

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  1. 20 October, 13:20
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    The previous question don't change the probability of the next questions, so the information that it is the 4th question is not relevant.

    It's only relevant that there are 3 possible answers, so the probability of getting the right one is 1/3 (C.).
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