Mathematics, 15.06.2020 02:57 usjalal
Each question on a multiple-choice exam has five choices. One of the choices is the correct answer, worth 6 points, another choice is wrong but still carries partial credit of 2 points, and the other three choices are worth 0 points.
If a student picks answers at random, what is the expected value of his or her score for a problem?
points
If the exam has 50 questions, what is his or her expected score?
points
Answers: 1
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Each question on a multiple-choice exam has five choices. One of the choices is the correct answer,...
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