Multiple-choice questions each have 6 possible answers, one of which is correct. Assume that you guess...
Multiple-choice questions each have 6 possible answers, one of which is correct. Assume that you guess the answers to 3 such questions. Use the multiplication rule to find the probability that the first two guesses are wrong and the third is correct. That is, find P ( W W C ) , where C denotes a correct answer and W denotes a wrong answer. (round answer to 4 decimal places) P ( W W C ) = Incorrect What is the probability of getting exactly one correct answer when 3 guesses are made? (round answer to 4 decimal places) P(exactly one correct answer)
Homework Answers
Probability of correct guess is 
as
there are 6 options.
Probability of incorrect guess is 
Hence using multiplication table we get
There are three ways in which one correct guess Cann be made WWC, WCW, CWW
Hence the required probability is
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