SOLUTION: Cass is taking a 5-question multiple-choice quiz in which each question has three choices. She guesses on all of the questions.
(a) What is the probability that Cass answers all
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-> SOLUTION: Cass is taking a 5-question multiple-choice quiz in which each question has three choices. She guesses on all of the questions.
(a) What is the probability that Cass answers all
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Question 304903: Cass is taking a 5-question multiple-choice quiz in which each question has three choices. She guesses on all of the questions.
(a) What is the probability that Cass answers all of the questions correctly?
(b) What is the probability that he answers exactly three questions correctly?
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