Good discussion of this little logic puzzle here: https://math.stackexchange.com/questions/76491/multiple-choice-question-about-the-probability-of-a-random-ans

Good discussion of this little logic puzzle here: https://math.stackexchange.com/questions/76491/multiple-choice-question-about-the-probability-of-a-random-answer-to-itself-bein https://math.stackexchange.com/questions/76491/multiple-choi...