Problem 5 Data in the following table relate to population of a country over the last three decades. Assume that the population of the country is increasing exponentially. Year Population (in millions) 1990 22 1995 28 |2000 34 2005 45 2010 48 2015 50 2020 53 (a) Is the exponential model a good description of the past growth of the population? [Hints: Plot the natural logarithms of population against time.] (b) Project the population of the country for the year 2030, and 2045, considering 2020 as the base year and the constant average annual growth rate. (c) If the NRR for the country is 2.1 and its annual growth rate is same as obtained in (b), find the mean length of generation for the population.
Problem 5 Data in the following table relate to population of a country over the last three decades. Assume that the population of the country is increasing exponentially. Year Population (in millions) 1990 22 1995 28 |2000 34 2005 45 2010 48 2015 50 2020 53 (a) Is the exponential model a good description of the past growth of the population? [Hints: Plot the natural logarithms of population against time.] (b) Project the population of the country for the year 2030, and 2045, considering 2020 as the base year and the constant average annual growth rate. (c) If the NRR for the country is 2.1 and its annual growth rate is same as obtained in (b), find the mean length of generation for the population.
Algebra and Trigonometry (6th Edition)
6th Edition
ISBN:9780134463216
Author:Robert F. Blitzer
Publisher:Robert F. Blitzer
ChapterP: Prerequisites: Fundamental Concepts Of Algebra
Section: Chapter Questions
Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...
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