# SOLUTION: In a multiple choice examination, each question has 5 possible answers, only one of which is correct. If a candidate chooses his answers at random, what is the probability that, in

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 Click here to see ALL problems on Probability-and-statistics Question 442564: In a multiple choice examination, each question has 5 possible answers, only one of which is correct. If a candidate chooses his answers at random, what is the probability that, in a test of such questions, he gets none right?Answer by stanbon(57377)   (Show Source): You can put this solution on YOUR website!In a multiple choice examination, each question has 5 possible answers, only one of which is correct. If a candidate chooses his answers at random, what is the probability that, in a test of such questions, he gets none right? ---- Prob of getting a particular question wrong is (4/5) --------------------------------------- Assuming there are "n" questions, P(none right) = (4/5)^n ============================================================ Cheers, Stan H.