Statistics ITU Board 2081
State Baye's theorem. A problem on multiple choice quiz is answered correctly with probability 0.90 if a student is prepared. An unprepared student guesses between 4 possible answers, so that the…
5State Baye's theorem.
A problem on multiple-choice quiz is answered correctly with probability 0.90 if a student is prepared. An unprepared student guesses between 4 possible answers, so that the probability of choosing the right answer is 1/4. Eighty percent of students prepare for the quiz. If a student X gives correct answer to this problem, what is the probability that he did not prepare for the quiz?
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