Neco 2019 Economics Question 3

Practice objective / multiple choice question 3 from the 2019 Neco Economics examination.

Neco 2019 Economics Objective / Multiple Choice Hard Difficulty
Question 3 NECO • 2019 • ECONOMICS • objective

Nigeria's population follows the logistic model \(P(t)=\frac{K}{1+Ae^{-rt}}\), where \(K\) is the carrying capacity, \(r\) the intrinsic growth rate and \(t\) years since 2010. In 2010 the population was 150 million and in 2020 it was 180 million. The carrying capacity is estimated at 300 million. (a) Determine the intrinsic growth rate \(r\) (to four decimal places). (b) Predict the first calendar year in which the population will exceed 250 million.

Answer Options

A. Intrinsic growth rate r = 0.0405 per year; population exceeds 250 million in the year 2048
Correct Answer B. Intrinsic growth rate r = 0.0405 per year; population exceeds 250 million in the year 2050
C. Intrinsic growth rate r = 0.0452 per year; population exceeds 250 million in the year 2060
D. Intrinsic growth rate r = 0.0350 per year; population exceeds 250 million in the year 2045
Correct Answer
B
Correct Option:
Intrinsic growth rate r = 0.0405 per year; population exceeds 250 million in the year 2050

About This Question

This is Neco 2019 Economics Question 3. It is one of the objective questions from the 2019 Neco Economics examination.

Difficulty level: Hard .

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