EBK STATISTICS FOR BUSINESS & ECONOMICS
12th Edition
ISBN: 8220100460463
Author: Anderson
Publisher: CENGAGE L
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Textbook Question
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.
- a. How many nights have you stayed in a hotel in the past 12 months?
- b. Where do you purchase books? Three options were listed: Bookstore, Internet, and Book Club.
- c. Do you own or lease a luxury vehicle? (Yes or No)
- d. What is your age?
- 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 145 subjects with positive test results, there are 28 false positive results. Among 151 negative results, there
are 5 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 296.
b. How many subjects did not use marijuana?
A total of 174 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.)
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.)
Chapter 1 Solutions
EBK STATISTICS FOR BUSINESS & ECONOMICS
Ch. 1 - Discuss the differences between statistics as...Ch. 1 - The U.S. Department of Energy provides fuel...Ch. 1 - Refer to Table 1.6. a. What is the average miles...Ch. 1 - Table 1.7 shows data for seven colleges and...Ch. 1 - Consider the data set in Table 1.7 a. Compute the...Ch. 1 - Foreign Affairs magazine conducted a survey to...Ch. 1 - The Kroger Company is one of the largest grocery...Ch. 1 - The FinancialTimes/Harris Poll is a monthly online...Ch. 1 - The Commerce Department reported receiving the...Ch. 1 - The Bureau of Transportation Statistics Omnibus...
Ch. 1 - J.D. Power and Associates conducts vehicle quality...Ch. 1 - The Hawaii Visitors Bureau collects data on...Ch. 1 - Figure 1.8 provides a bar chart showing the amount...Ch. 1 - The following data show the number of rental cars...Ch. 1 - Every year, the U.S. Coast Guard collects data and...Ch. 1 - A manager of a large corporation recommends a...Ch. 1 - A random telephone survey of 1021 adults (aged 18...Ch. 1 - A Bloomberg Businessweek North American subscriber...Ch. 1 - A survey of 131 investment managers in Barrons Big...Ch. 1 - A seven-year medical research study reported that...Ch. 1 - The Nielsen Company surveyed consumers in 47...Ch. 1 - Pew Research Center is a nonpartisan polling...Ch. 1 - A sample of midterm grades for five students...Ch. 1 - Table 1.8 shows a data set containing information...
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- In the Aloha state, you are very unlikely to be murdered! However, it is considerably more likely that your house might be burgled, your car might be stolen, or you might be punched in the nose. That said, Hawaii is still a great place for a vacation or, if you are very lucky, to live. The following numbers represent the crime rates per 100,000 population in Hawaii: murder, 1.6; rape, 21.4; robbery, 95.3; house burglary, 903.6; motor vehicle theft, 521.7; assault, 106.3. (a) Display this information in a Pareto chart, showing the crime rate for each category. (b) Could the information as reported be displayed as a circle graph? Explain. Hint: Other forms of crime, such as arson, are not included in the information. In addition, some crimes might occur together. A. Yes, but the graph would take into account only multiple crimes and not these particular individual crimes. B. Yes, the graph would be able to account for all information. C. No, the graph would be unable to account…arrow_forwardIn the Aloha state, you are very unlikely to be murdered! However, it is considerably more likely that your house might be burgled, your car might be stolen, or you might be punched in the nose. That said, Hawaii is still a great place for a vacation or, if you are very lucky, to live. The following numbers represent the crime rates per 100,000 population in Hawaii: murder, 3.6; rape, 29.4; robbery, 79.3; house burglary, 867.6; motor vehicle theft, 531.7; assault, 118.3. Could the information as reported be displayed as a circle graph? Explain. Hint: Other forms of crime, such as arson, are not included in the information. In addition, some crimes might occur together.arrow_forwardIn the Aloha State, you are very unlikely to be murdered! However, it is considerably more likely that your house might be burgled, your car might be stolen, or you might be punched in the nose. That said, Hawaii is still a great place for a vacation or, if you are very lucky, to live. The following numbers represent the crime rates per 100,000 population in Hawaii: murder, 4.6; rape, 32.4; robbery, 91.3; house burglary, 876.6; motor vehicle theft, 549.7; assault, 132.3. (a) Display this information in a Pareto chart, showing the crime rate for each category. (b) Could the information as reported be displayed as a circle graph? (Explain. Hint: Other forms of crime, such as arson, are not included in the information. In addition, some crimes might occur together.) a) Yes, but the graph would take into account only multiple crimes and not these particular individual crimes. b) No, the graph would be unable to account for all information. c) Yes, but the graph would take into…arrow_forward
- 1. Identify whether the numbers are statistics or parameters. a. Of all US third grade teachers, 32% say that knowing cursive writing is an essential skill. b. Of the 500 US third grade teachers polled, 34% say that knowing cursive writing is an essential skill.arrow_forwardUse the following results from a test for marijuana use, which is provided by a certain drug testing company. Among 143 subjects with positive test results, there are 30 false positive results. Among 150 negative results, there are 5 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 293 b. How many subjects did not use marijuana? A total of 175 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 isU (Do not round until the final answer. Then round to three decimal places as needed.)arrow_forwardWhat is the complete subject of “school dances create a fun environment for meeting new friends.”arrow_forward
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