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Guessing Answers The math portion of the ACT test consists

Elementary Statistics | 12th Edition | ISBN: 9780321836960 | Authors: Mario F. Triola ISBN: 9780321836960 18

Solution for problem 13BSC Chapter 5.3

Elementary Statistics | 12th Edition

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Elementary Statistics | 12th Edition | ISBN: 9780321836960 | Authors: Mario F. Triola

Elementary Statistics | 12th Edition

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Problem 13BSC

Problem  13BSC

 

Guessing Answers The math portion of the ACT test consists of 60 multiple-choice questions, each with five possible answers (a, b, c, d, e), one of which is correct. Assume that you guess the answers to the first three questions.

a. Use the multiplication rule to find the probability that the first two guesses are wrong and the third is correct. That is, find P(WWC), where С denotes a correct answer and W denotes a wrong answer.

b. Beginning with WWC, make a complete list of the different possible arrangements of two wrong answers and one correct answer, then find the probability for each entry in the list.

c. Based on the preceding results, what is the probability of getting exactly one correct answer when three guesses are made?

Step-by-Step Solution:
Step 1 of 3

Solution  13BSC

 

=0.384

Step 2 of 3

Chapter 5.3, Problem 13BSC is Solved
Step 3 of 3

Textbook: Elementary Statistics
Edition: 12
Author: Mario F. Triola
ISBN: 9780321836960

The answer to “Guessing Answers The math portion of the ACT test consists of 60 multiple-choice questions, each with five possible answers (a, b, c, d, e), one of which is correct. Assume that you guess the answers to the first three questions.a. Use the multiplication rule to find the probability that the first two guesses are wrong and the third is correct. That is, find P(WWC), where ? denotes a correct answer and W denotes a wrong answer.________________b. Beginning with WWC, make a complete list of the different possible arrangements of two wrong answers and one correct answer, then find the probability for each entry in the list.________________c. Based on the preceding results, what is the probability of getting exactly one correct answer when three guesses are made?” is broken down into a number of easy to follow steps, and 126 words. Elementary Statistics was written by and is associated to the ISBN: 9780321836960. This full solution covers the following key subjects: correct, Answer, answers, Wrong, Find. This expansive textbook survival guide covers 121 chapters, and 3629 solutions. This textbook survival guide was created for the textbook: Elementary Statistics, edition: 12. Since the solution to 13BSC from 5.3 chapter was answered, more than 498 students have viewed the full step-by-step answer. The full step-by-step solution to problem: 13BSC from chapter: 5.3 was answered by , our top Statistics solution expert on 03/15/17, 10:30PM.

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Guessing Answers The math portion of the ACT test consists

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