Answered You can hire a professional tutor to get the answer.
You are taking a multiple choice test that awards you one point point for each correct answer and penalizes you .25 for each wrong answer.
You are taking a multiple choice test that awards you one point point for each correct answer and penalizes you .25 for each wrong answer. If you have to make a random guess and there are five possible answers what is the expected value of guessing ?