Joe takes part in math competitions. A particular contest consists of 25 multiple-choice questions, and each question has 5 poss
ible 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
