Question
Richard has just been given a6-question multiple-choice quiz in his history class. Each question hasfouranswers, of which only one is correct. Since Richard has not
Richard has just been given a6-question multiple-choice quiz in his history class. Each question hasfouranswers, of which only one is correct. Since Richard has not attended class recently, he doesn't know any of the answers. Assuming that Richard guesses on allsixquestions, find the indicated probabilities. (Round your answers to three decimal places.)
(a) What is the probability that he will answer all questions correctly?
(b) What is the probability that he will answer all questions incorrectly?
(c) What is the probability that he will answer at least one of the questions correctly?
(d) What is the probability that Richard will answer at least half the questions correctly?
What are the steps for solving this problem?
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