Concept explainers
a.
Find the percent form of the given matrices.
a.
Answer to Problem 2PS
The Percentage matrix for
and the Percentage matrix for
Explanation of Solution
Given:
The number of population (in thousands) matrix of
and the number of population (in thousands) matrix of
The total population in
Calculation:
The percentage matrix for
The percentage matrix for
b.
Find the matrix for change in the percent of the population.
b.
Answer to Problem 2PS
The matrix for change in the percent of the population is
Explanation of Solution
Given:
The number of population (in thousands) matrix of
and the number of population (in thousands) matrix of
The total population in
Calculation:
The percentage matrix for
The percentage matrix for
The percent change is
Hence the matrix for change in the percent of the population is
c.
Find the region(s) and age group(s) have percent that decreased from
c.
Answer to Problem 2PS
The regions, Northeast and Midwest have percent decreased for all age groups and the age group
Explanation of Solution
Given:
The number of population (in thousands) matrix of
and the number of population (in thousands) matrix of
The total population in
Calculation:
The percentage matrix for
The percentage matrix for
The percent change is
Hence the regions, Northeast and Midwest have percent decreased for all age groups and the age group
Chapter 8 Solutions
EBK PRECALCULUS W/LIMITS
- Calculus: Early TranscendentalsCalculusISBN:9781285741550Author:James StewartPublisher:Cengage LearningThomas' Calculus (14th Edition)CalculusISBN:9780134438986Author:Joel R. Hass, Christopher E. Heil, Maurice D. WeirPublisher:PEARSONCalculus: Early Transcendentals (3rd Edition)CalculusISBN:9780134763644Author:William L. Briggs, Lyle Cochran, Bernard Gillett, Eric SchulzPublisher:PEARSON
- Calculus: Early TranscendentalsCalculusISBN:9781319050740Author:Jon Rogawski, Colin Adams, Robert FranzosaPublisher:W. H. FreemanCalculus: Early Transcendental FunctionsCalculusISBN:9781337552516Author:Ron Larson, Bruce H. EdwardsPublisher:Cengage Learning