Mathematics, 30.04.2021 18:50 mimigg0621
In a multiple-choice test each question has five possible
answers. Two points are given for each correct answer but
one point is deducted for each incorrect answer. What is the
expected value for a question that is answered by randomly
guessing the answer?
OO
O 0.2
-0.4
O 0.4
Answers: 3
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In a multiple-choice test each question has five possible
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