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In an examination, there are 3 multiple-choice questions and each question has 4 choices. If a student randomly selects an answer for all the three questions, what is the probability that the student will not answer all the three questions correctly?

Options

  1. A1 / 64
  2. B63 / 64
  3. C1 / 12
  4. D11 / 12

Correct answer

B. 63 / 64

Step-by-step solution

The correct answer is option (B).

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