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Mathematics 23 Online
OpenStudy (anonymous):

Help Fast! MEDAL! Joe takes part in math competitions. A particular contest consists of 25 multiple-choice questions, and each question has 5 possible answers. It awards 6 points for each correct answer, 1.5 points for each answer left blank, and 0 points for incorrect answers. Joe is sure of 12 of his answers. He ruled out 2 choices before guessing on 4 of the other questions and randomly guessed on the 9 remaining problems. What is his expected score? 69.2 75.6 90.8 97.2

OpenStudy (anonymous):

90.8

OpenStudy (anonymous):

Could you tell me how you go that answer? @TopicMaster

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