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GATE | GATE CS 2021 | Set 2 | Question 39
In an examination, a student can choose the order in which two questions (QuesA and QuesB) must be attempted.
Assuming that the student always wants to maximize her expected marks in the examination, in which order should she attempt the questions and what is the expected marks for that order (assume that the questions are independent)?
- If the first question is answered wrong, the student gets zero marks.
- If the first question is answered correctly and the second question is not answered correctly, the student gets the marks only for the first question.
- If both the questions are answered correctly, the student gets the sum of the marks of the two questions.
Assuming that the student always wants to maximize her expected marks in the examination, in which order should she attempt the questions and what is the expected marks for that order (assume that the questions are independent)?(A)
First QuesA and then QuesB. Expected marks 14
(B)
First QuesB and then QuesA. Expected marks 14
(C)
First QuesB and then QuesA. Expected marks 22
(D)
First QuesA and then QuesB. Expected marks 16
Answer
Please comment below if you find anything wrong in the above post
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