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OpenStudy (anonymous):
a multiple choice question has 4 options . choosing the correct option earns the student three marks. However choosing the wrong option incurs negative marks, that if a student chooses an option randomly his expected score is zero.Suppose a student has successfully eliminated 2 incorrect options. His expected score if he chooses randomly among the remaining options is: a) 1 b)1.5 c)0 d)3
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