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OpenStudy (anonymous):
Score: A quiz has 1 true-false question and 2 multiple choice questions that each have 4 answers. What is the probability that someone guessing all 3 answers will get 100% on the quiz?
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OpenStudy (anonymous):
the probability of getting a T-F answer correct by guessing is 1/2 The probability of getting a M.C. answer correct by guessing is 1/4 When combining probabilities they are multiplied so, P = (1/2)(1/4)(1/4) = 1/32
OpenStudy (anonymous):
thanks man,
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