There are 5 questions in a multiple choice examination in which each question has 3 possible answers.Find the probability that a student gives 4 correct answers by guess only.

On a multiple choice examination with 4 possible answers for each of 6 questions the probability that a student would get at least two correct answers just by guessing is -

On a multiple-choice exam with 3 possible destructive for each of the 5 questions, the probability that a student will get 4 or more correct answers just by guessing is

On a multiple choice test, each question has 4 possible choices. If you make a random guess, probability that you are correct is………..

A multiple choice examination has 5 questions . Each question has three alternative answers of which exactly one is correct . The probability that a student will get 4 or more correct answers just by guessing is :

A multiple choice examination has 5 questions. Each question has three alternative answer of which exctly one is correct . The probability that a student will get 4 or more correct answers just by guessing is