SOLUTION: You are taking a multiple choice test containing 60 questions. Each question has 5 choices. What is the best prediction for the number of questions you will answer correctly?

Question 1134536: You are taking a multiple choice test containing 60 questions. Each question has 5 choices. What is the best prediction for the number of questions you will answer correctly?
Answer by Boreal(15235) (Show Source): You can put this solution on YOUR website!
guessing has a 1/5 probability of success and that *60=12, the expected value of the number of correct responses.
Expected value is probability of event*number of trials in this particular case. For gambling, the positive and negative expected values have to be added to get the global.
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