Modern Business Statistics with Microsoft Excel (MindTap Course List)
Modern Business Statistics with Microsoft Excel (MindTap Course List)
5th Edition
ISBN: 9781285433301
Author: David R. Anderson, Dennis J. Sweeney, Thomas A. Williams
Publisher: Cengage Learning
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Chapter 7.3, Problem 12E

a.

To determine

Find the sampled population for the given study.

b.

To determine

Compute the point estimate of the proportion of the population of adults in Country U whose ages are 50 years and older and who believe this issue is important.

c.

To determine

Obtain the number of residents who believe education as a very important issue.

d.

To determine

Calculate the point estimate of the adults in Country U whose ages are 50 years and older and who believe that job growth is very important.

e.

To determine

Explain the target population for the inference made in Parts (b) and (a).

Check whether the target population is the same as the sampled population that is identified in Part (a) or not.

Explain whether the inferences being made in Parts (b) and (d) are valid or not.

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Chapter 7 Solutions

Modern Business Statistics with Microsoft Excel (MindTap Course List)

Ch. 7.3 - 15. The National Football League (NFL) polls fans...Ch. 7.3 - Prob. 12ECh. 7.3 - 17. One of the questions in the Pew Internet &...Ch. 7.3 - In this section we showed how a simple random...Ch. 7.5 - 19. A population has a mean of 200 and a standard...Ch. 7.5 - Prob. 16ECh. 7.5 - 21. Suppose a random sample of size 50 is selected...Ch. 7.5 - Refer to the EAI sampling problem. Suppose a...Ch. 7.5 - In the EAI sampling problem (see Figure 7.8), we...Ch. 7.5 - 24. Barron’s reported that the average number of...Ch. 7.5 - Prob. 21ECh. 7.5 - Federal Income Tax Returns. The Wall Street...Ch. 7.5 - 27. The Economic Policy Institute periodically...Ch. 7.5 - State Rainfalls. The state of California has a...Ch. 7.5 - The mean preparation fee H&R Block charged retail...Ch. 7.5 - 30. To estimate the mean age for a population of...Ch. 7.6 - 31. A sample of size 100 is selected from a...Ch. 7.6 - 32. A population proportion is .40. A sample of...Ch. 7.6 - Prob. 29ECh. 7.6 - 34. The population proportion is .30. What is the...Ch. 7.6 - Prob. 31ECh. 7.6 - 36. The Wall Street Journal reported that the age...Ch. 7.6 - Prob. 33ECh. 7.6 - Unnecessary Medical Care. According to Reader’s...Ch. 7.6 - Prob. 35ECh. 7.6 - Prob. 36ECh. 7.6 - 41. The Food Marketing Institute shows that 17% of...Ch. 7 - Prob. 38SECh. 7 - 43. The latest available data showed health...Ch. 7 - 44. Foot Locker uses sales per square foot as a...Ch. 7 - 45. Allegiant Airlines charges a mean base fare of...Ch. 7 - 46. After deducting grants based on need, the...Ch. 7 - Prob. 43SECh. 7 - Prob. 44SECh. 7 - Production Quality Control. A production process...Ch. 7 - Prob. 46SECh. 7 - Prob. 47SECh. 7 - Prob. 48SECh. 7 - Prob. 49SECh. 7 - 54. Lori Jeffrey is a successful sales...
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