quiz consists of 8 multiple choice questions, each with 4 options.  Suppose you randomly guess at the answers.  What is the probability that you get 4 questions correct?  Round your answer to the nearest thousandth. Note:  For the numerator, use 8C4 × 3 .  This is because there are 8C4 different ways that the 4 incorrect questions can be chosen and there are 3 ways each question could be answered incorrectly. ANSWER____________ WORK    ________________________   show the work done above and below the line

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section11.7: Combinations
Problem 7E
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A quiz consists of 8 multiple choice questions, each with 4 options.  Suppose you randomly guess at the answers.  What is the probability that you get 4 questions correct?  Round your answer to the nearest thousandth.

Note:  For the numerator, use 8C4 × 3 .  This is because there are 8C4 different ways that the 4 incorrect questions can be chosen and there are 3 ways each question could be answered incorrectly.

ANSWER____________

WORK    ________________________   show the work done above and below the line 

 

            

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