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Applied Test Series
LRU
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Nov 7, 2021
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A final exam is a discrete mathematics course consisting of 20 true-false questions, each worth 3 points and 10 multiple choice questions, each worth 4 points. Suppose that the probability that a student gives a correct answer to a true-false question is 0.9 and the probability that student gives a correct answer to a multiple choice question is 0.8. What is student expected score on the final exam___
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LRU
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Yaman Sahu
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Nov 7, 2021
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Does the answer is 86??
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Chandrabhan Vishwa 1
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we can find expected score
20*3*0.9+10*4*0.8=54+32=86
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T/F MCQ
Total question : 20 10
Points : 3 4
Correct probability : 0.9 0.8
So, total score if all T/F are correct =20×3=60
total score if all MCQ are correct =10×4=40
Now, excepted score = 60×0.9 + 40×0.8=86
Onika
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Nov 11, 2021
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Same,easy to moderate
I felt paper was very much like AIMT 3!!
very easy paper, I don't want to discuss paper...
the paper was easy to moderate, in this paper...
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