Concept explainers
To select: the best answer for the given question.
Answer to Problem 72E
Option c is the best answer.
Explanation of Solution
Given:
(a) 34%
(b) 32%
(c) 16%
(d) 2.5%
(e) none of these
Calculation:
The cockroaches' weights follow
Point C on this Normal curve corresponds to:
Approximately 68% of the observations fall within of the mean
Percent of cockroaches have weights less than 78 grams:
So the correct option is c.
Conclusion:
Therefore, option c is the best answer.
Chapter 2 Solutions
The Practice of Statistics for AP - 4th Edition
Additional Math Textbook Solutions
Essentials of Statistics, Books a la Carte Edition (5th Edition)
STATS:DATA+MODELS-W/DVD
Intro Stats, Books a la Carte Edition (5th Edition)
Basic Business Statistics, Student Value Edition
Introductory Statistics (2nd 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