Mathematics, 13.06.2020 19:57 rakanmadi87
Each question on a multiple-choice exam has four choices. One of the choices is the correct answer, worth 5 points, another choice is wrong but still carries partial credit of 1 point, and the other two 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 30 questions, what is his or her expected score?
points
Answers: 1
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