Concept explainers
To select: the best answer for the given question.
Answer to Problem 71E
Option b is the best answer
Explanation of Solution
Given:
(a) 99.7%
(b) 95%
(c) 68%
(d) 47.5%
(e) 34%
Calculation:
The data represent weights of cockroaches.
The percent of the cockroaches have weights between 76 and 84 grams is,
First, compute the z score then find probability based on standard normal table.
From the standard
The percent of the cockroaches have weights between 76 and 84 grams is 95%
The answer is (b)
Conclusion:
Therefore, option b is the best answer
Chapter 2 Solutions
The Practice of Statistics for AP - 4th Edition
Additional Math Textbook Solutions
Elementary Statistics Using Excel (6th Edition)
Statistical Reasoning for Everyday Life (5th Edition)
Basic Business Statistics, Student Value Edition
Elementary Statistics: Picturing the World (6th Edition)
Statistics: The Art and Science of Learning from Data (4th 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