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A multiple choice test has 6 questions and each question has 4 choices. In how many...

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skyhigh20 | eNotes Newbie

Posted September 12, 2013 at 11:05 PM via web

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A multiple choice test has 6 questions and each question has 4 choices. In how many ways could a student get exactly one of the questions wrong? Assume he answers all the questions.

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tjbrewer | Elementary School Teacher | (Level 2) Associate Educator

Posted September 13, 2013 at 2:55 AM (Answer #2)

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The student has 24 different possible answers.  Of those answers 6 are correct.  24-6=18.  There are 18 wrong answers, and therefore 18 opportunities to answer any one of the questions wrong. 

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abbypres123 | eNotes Newbie

Posted September 13, 2013 at 1:16 AM (Answer #1)

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the student could get one of the questions wrong 18 differnt ways 

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