Statistics for Business & Economics, Revised (MindTap Course List)
Statistics for Business & Economics, Revised (MindTap Course List)
12th Edition
ISBN: 9781285846323
Author: David R. Anderson, Dennis J. Sweeney, Thomas A. Williams, Jeffrey D. Camm, James J. Cochran
Publisher: South-Western College Pub
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Chapter 1, Problem 6SE

Foreign Affairs magazine conducted a survey to develop a profile of its subscribers (Foreign Affairs website, February 23, 2008). The following questions were asked.

  1. a. How many nights have you stayed in a hotel in the past 12 months?
  2. b. Where do you purchase books? Three options were listed: Bookstore, Internet, and Book Club.
  3. c. Do you own or lease a luxury vehicle? (Yes or No)
  4. d. What is your age?
  5. e. For foreign trips taken in the past three years, what was your destination? Seven international destinations were listed.

Comment on whether each question provides categorical or quantitative data.

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Use the following results from a test for marijuana use, which is provided by a certain drug testing company. Among 140 subjects with positive test results, there are 24 false positive results. Among 152 negative results, there are 3 false negative results. Complete parts (a) through (c). (Hint: Construct a table.) a. How many subjects were included in the study? The total number of subjects in the study was 292. b. How many subjects did not use marijuana? A total of subjects did not use marijuana.
Use the following results from a test for marijuana use, which is provided by a certain drug testing company. Among 140 subjects with positive test results, there are 24 false positive results. Among 152 negative results, there are 3 false negative results. Complete parts (a) through (c). (Hint: Construct a table.) a. How many subjects were included in the study? The total number of subjects in the study was 292. b. How many subjects did not use marijuana? A total of 173 subjects did not use marijuana. c. What is the probability that a randomly selected subject did not use marijuana? The probability that a randomly selected subject did not use marijuana is ☐ (Do not round until the final answer. Then round to three decimal places as needed.)

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Statistics for Business & Economics, Revised (MindTap Course List)

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