Instructions

Read the following caselet and choose the best alternative
A teacher wanted to administer a multiple choice (each question having six choices) based quiz of high difficulty level to a class of sixty students. The quiz had sixty questions. The probability of selecting the correct answer for a good student and a brilliant student was 0.2 and 0.25 respectively. The poor students had no learning advantage. The teacher did not want students to cheat but does not have time and resources to monitor. All students were seated serially in 10 rows and 6 columns.

Question 48

Is it possible for the teacher to detect cheating without monitoring? Choose the statement that best describes your opinion:

Solution

As the probability of getting incorrect answers is quite high in comparison to getting right answers for the students of the class in the test, in case students sitting next to each other go for cheating, then probability of them getting same incorrect answers for multiple questions is quite high. Therefore, by tracking pattern of incorrect answers, it is possible to detect whether cheating took place or not.

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Is it possible for the teacher to detect cheating without monitoring? Choose the statement that best describes your opinion:

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