Gce Model Questions Vol1 2019 Economics Question 42

Practice objective / multiple choice question 42 from the 2019 Gce Model Questions Vol1 Economics examination.

Gce Model Questions Vol1 2019 Economics Objective / Multiple Choice Hard Difficulty
Question 42 GCE_MODEL_QUESTIONS_VOL1 • 2019 • ECONOMICS • objective

Country B's population follows the logistic model \(P(t)=\frac{K}{1+Ae^{-bt}}\), where \(t\) is years after 2000. The carrying capacity is \(K=80\) million. In 2000 the population was \(20\) million and in 2010 it was \(40\) million.\n\n(a) Determine the intrinsic growth rate \(b\) (to three decimal places).\n(b) Using this value of \(b\), estimate the calendar year in which the population will first reach \(70\) million.

Answer Options

Correct Answer A. b = 0.110; year = 2028
B. b = 0.130; year = 2025
C. b = 0.095; year = 2030
D. b = 0.150; year = 2022
Correct Answer
A
Correct Option:
b = 0.110; year = 2028

About This Question

This is Gce Model Questions Vol1 2019 Economics Question 42. It is one of the objective questions from the 2019 Gce Model Questions Vol1 Economics examination.

Difficulty level: Hard .

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