In an examination, there are 3 multiple-choice questions and each...

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

A $1 / 64$
B $63 / 64$
C $1 / 12$
D $11 / 12$

Correct answer

B. $63 / 64$

Step-by-step solution

The correct answer is option (B).

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