Concept explainers
The correct value of the margin of errorfrom (a)0.008, (b)0.02, (c)0.03, (d)0.04, (e) 0.208 when the confidence interval is 95%.
Answer to Problem 50E
The correct option is (d).
Explanation of Solution
Given information:
Total population
Confidence interval = 95%
Formula used:
Sample proportion
Margin of error
Confidence interval is 95%.
Convert 95% into decimal.
For confidence interval 0.95, use table A.
Find the population proportion, use the formula
Now, find the margin of error, use the formula
Hence, the correct option is (d).
Chapter 8 Solutions
The Practice of Statistics for AP - 4th Edition
Additional Math Textbook Solutions
Introductory Statistics
Elementary Statistics
Elementary Statistics: Picturing the World (7th Edition)
Fundamentals of Statistics (5th Edition)
- MATLAB: An Introduction with ApplicationsStatisticsISBN:9781119256830Author:Amos GilatPublisher:John Wiley & Sons IncProbability and Statistics for Engineering and th...StatisticsISBN:9781305251809Author:Jay L. DevorePublisher:Cengage LearningStatistics for The Behavioral Sciences (MindTap C...StatisticsISBN:9781305504912Author:Frederick J Gravetter, Larry B. WallnauPublisher:Cengage Learning
- Elementary Statistics: Picturing the World (7th E...StatisticsISBN:9780134683416Author:Ron Larson, Betsy FarberPublisher:PEARSONThe Basic Practice of StatisticsStatisticsISBN:9781319042578Author:David S. Moore, William I. Notz, Michael A. FlignerPublisher:W. H. FreemanIntroduction to the Practice of StatisticsStatisticsISBN:9781319013387Author:David S. Moore, George P. McCabe, Bruce A. CraigPublisher:W. H. Freeman