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each question on a multiple-choice exam has five choices. One are the choices is the correct...

each question on a multiple-choice exam has five choices. One are the choices is the correct answer, worth 6 points, another choice is wrong but still carries practical credit of 2 points, And the other 3 choices are worth 0 points.
If the exam has 80 questions, what is who's or her expected score?
Math   Statistics-And-Probability   
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