Before the AIDS epidemic, Botswana31 had a rapidly growing population, as shown in Table
Chapter 4, Problem 78(choose chapter or problem)
Before the AIDS epidemic, Botswana31 had a rapidly growing population, as shown in Table 4.19. In 2005, the population started falling. (a) Fit an exponential growth model, P = abt , to this data set, where P is the population in millions and t measures the years since 1975 in 5-year intervals so t = 1 corresponds to 1980. Estimate a and b. Plot the data set and P = abt on the same graph. (b) Starting from 1975, how long does it take for the population of Botswana to double? When is the population of Botswana projected to exceed 214 million, the 1975 population of the US?
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