Young Professional magazine was developed for a target audience of recent college graduates who are in their first 10 years in a business/professional career. In its two years of publication, the magazine has been fairly successful. Now the publisher is interested in expanding the magazine's advertising base. Potential advertisers continually ask about the demographics and interests of subscribers to Young Professional. To collect this information, the magazine commissioned a survey to develop a profile of its subscribers. The survey results will be used to help the magazine choose articles of interest and provide advertisers with a profile of subscribers. As a new employee of the magazine, you have been asked to help analyze the survey results. Some of the survey questions follow: 1. What is your age? 2. Are you: Male 3. Do you plan to make any real estate purchases in the next two years? Yes No Female 4. What is the approximate total value of financial investments, exclusive of your home, owned by you or members of your household? 5. How many stock/bond/mutual fund transactions have you made in the past year? 6. Do you have broadband access to the Internet at home? Yes No 7. Please indicate your total household income last year. 8. Do you have children? Yes No Check My Work C c. 29.7853 to 30.4391 O d. 29.7215 to 30.5029 The file entitled Professional contains the responses to these questions. Using the results for the Young Professional Magazine survey, answer the following questions. What is the 95% confidence interval for the mean age of subscribers? O a. 29.7148 to 30.5096 O b. 26.7215 to 33.5029

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018

18th Edition

ISBN:9780079039897

Author:Carter

Publisher:Carter

Chapter10: Statistics

Section10.2: Representing Data

Problem 22PFA

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Transcribed Image Text:Young Professional magazine was developed for a target audience of recent college graduates who are in their first 10 years in a business/professional career. In its two years of publication, the magazine has been fairly successful. Now the publisher is interested in expanding the magazine's advertising base. Potential advertisers continually ask about the demographics and interests of subscribers to Young Professional. To collect this information, the magazine commissioned a survey to develop a profile of its subscribers. The survey results will be used to help the magazine choose articles of interest and provide advertisers with a profile of subscribers. As a new employee of the magazine, you have been asked to help analyze the survey results. Some of the survey questions follow: 1. What is your age? 2. Are you: Male Female 3. Do you plan to make any real estate purchases in the next two years? Yes No 4. What is the approximate total value of financial investments, exclusive of your home, owned by you or members of your household? 5. How many stock/bond/mutual fund transactions have you made in the past year? 6. Do you have broadband access to the Internet at home? Yes No 7. Please indicate your total household income last year. 8. Do you have children? Yes No The file entitled Professional contains the responses to these questions. Using the results for the Young Professional Magazine survey, answer the following questions. What is the 95% confidence interval for the mean age of subscribers? a. 29.7148 to 30.5096 b. 26.7215 to 33.5029 Check My Work c. 29.7853 to 30.4391 d. 29.7215 to 30.5029

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