Probability that a candidate give the answer right

Reference no: EM131774822

Question: The candidates in a multiple choice test have to choose among 4 answers for each question. Each candidate is either entirely ignorant and simply chooses and answer at random, or else is omniscient and knows the right answer for sure. If the proportion of omniscient candidates is 0.18, what is the probability that a candidate who got the answer right in a question was guessing?

Reference no: EM131774822

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