In an examination there are 3 multiple choice questions

Asked by admin @ in Math viewed by 305 People

In an examination there are three multiple choice questions and each question has 4 choices. No. of ways in which a student can fail to get all answer correct is

Answered by admin @


Given that there are 3 multiple choice questions and each question has 4 choices.

= 4^3

= 64.


Number of Ways of getting all the correct answers = 1^3 = 1.

Number of ways of getting all the incorrect answers = 64 - 1

                                                                                        = 63.


Thus the probability that the student can fail to get all answer correct is 63.


Hope this helps!

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