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On a multiple-choice test with 20 questions, each question has four possible answers, one of which is correct. For students who guess at all the
On a multiple-choice test with 20 questions, each question has four possible answers, one of which is correct. For students who guess at all the answers, find the mean for the number of correct answers.
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High School Math 2012 Common-core Algebra 2 Grade 10/11
Authors: Savvas Learning Co
Student Edition
9780133186024, 0133186024
