Waec Model Questions Vol1 2020 Economics Question 30
Practice objective / multiple choice question 30 from the 2020 Waec Model Questions Vol1 Economics examination.
A country's population follows the logistic model P(t) = K / [1 + a e^{-bt}], where t is the number of years after 2020. The carrying capacity K is 120 million. In 2020 (t = 0) the population was 60 million and in 2025 (t = 5) it was 70 million. Determine the parameters a and b, then find the calendar year in which the population will reach 100 million. Round the year to the nearest whole year.
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About This Question
This is Waec Model Questions Vol1 2020 Economics Question 30. It is one of the objective questions from the 2020 Waec Model Questions Vol1 Economics examination.
Difficulty level: Hard .
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