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5 October, 05:58

Leanna guesses on four multiple choice test questions in a row. 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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Answers (2)
  1. 5 October, 06:00
    0
    The probability of correctly guessing the answer to each one of the four questions is 1/3.

    Therefore the correct choice of answer is C.
  2. 5 October, 06:14
    0
    The fourth question is an independent event and that Leanna can choose from 3 choices. Only 1 of the 3 choices is right. Therefore, the probability of getting the correct answer is 1/3. The answer is letter C. 1/3.
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