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Elliot is taking a four question multiple choice test. Each question has four possible answers. He is going to completely guess on each question and he will get 5 points for every correct answer and lose
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Jun 14, 2019
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Elliot is taking a four question multiple choice test. Each question has four possible answers. He is going to completely guess on each question and he will get 5 points for every correct answer and lose two points for every incorrect answer. How many points can he expect to earn on the test (round to the nearest whole number)?
Mathematics
college
Tanvir
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-1 points, because probality is that he will get 1 correct, giving him 5 points, but he will probably get 3 wrong, taking away 6 points. 5-6 equals -1
Jonathan Crooke
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Jun 19, 2019
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