SOLUTION: One of several Extra Credit Questions, I really need them. Can someone please help? A student is taking a test with several multiple choice questions. One point is awarded for

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Question 725114: One of several Extra Credit Questions, I really need them.
Can someone please help?
A student is taking a test with several multiple choice questions. One point is awarded for each correct. If there are 4 options for each question, 1/2 point is penalized for each wrong question, how many options must he be able to rule out before the expected value of guessing is zero?

Answer by stanbon(75887)   (Show Source): You can put this solution on YOUR website!
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