Mathematics, 03.07.2019 02:20 taelor32
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?
a) 69.2
b) 90.8
c) 97.2
Answers: 1
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Joe takes part in math competitions. a particular contest consists of 25 multiple-choice questions,...
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