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HomeXAT PYQsXAT 2013 Question PaperThree good students were seated next to each other. Wha…
XAT 2013Decision MakingDecision MakingHARD+1 / −0.25
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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.

Three good students were seated next to each other. What is the probability of them having the same incorrect choice for four consecutive questions?

Select an option to reveal the answer and explanation

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