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Polling As mentioned in the chapter, opinion-polling organizations contact their

Stats Modeling the World | 4th Edition | ISBN: 9780321854018 | Authors: David E. Bock, Paul F. Velleman, Richard D. De Veaux ISBN: 9780321854018 481

Solution for problem 33 Chapter 13

Stats Modeling the World | 4th Edition

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Stats Modeling the World | 4th Edition | ISBN: 9780321854018 | Authors: David E. Bock, Paul F. Velleman, Richard D. De Veaux

Stats Modeling the World | 4th Edition

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Problem 33

Polling As mentioned in the chapter, opinion-polling organizations contact their respondents by sampling random telephone numbers. Although interviewers now can reach about 62% of U.S. households, the percentage of those contacted who agree to cooperate with the survey has fallen from 43% in 1997 to only 14% in 2012 (Pew Research Center for the People and the Press). Each household, of course, is independent of the others. a) What is the probability that the next household on the list will be contacted but will refuse to cooperate? b) What was the probability (in 2012) of failing to contact a household or of contacting the household but not getting them to agree to the interview? c) Show another way to calculate the probability in part b.

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Statistics 200 Week One Notes Writing in red are examples of ways to remember what terms go together and what the terms mean. Writing in green are examples of the terms. Chapter One and Two Terms  Statistics: The science of learning from data  Quantitative Data: Data that is numerical (Quantity = Numbers)  Qualitative Date: Data that is categorical (Quality = Category)  Inferential Statistics: Methods of drawing conclusions about a population based on information from a sample of the population (Infer = Draw Conclusions)  The Six W’s: Who, What, When, Where, Why, and How o Who: Describes the thing that is surveyed o What: Describes the specific characteristics of the who that are measure

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Chapter 13, Problem 33 is Solved
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Textbook: Stats Modeling the World
Edition: 4
Author: David E. Bock, Paul F. Velleman, Richard D. De Veaux
ISBN: 9780321854018

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Polling As mentioned in the chapter, opinion-polling organizations contact their