Projection sensitivity According to the 2014 national population projections published by the U.S. Census Bureau, the U.S. population is projected to be 334.4 million in 2020 with an estimated growth rate of 0.79%/yr.a. Based on these figures, find the doubling time and the projected population in 2050. Assume the growth rate remains constant.b. Suppose the actual growth rate is instead 0.7%. What are the resulting doubling time and projected 2050 population?
Unitary Method
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Projection sensitivity According to the 2014 national population projections published by the U.S. Census Bureau, the U.S. population is projected to be 334.4 million in 2020 with an estimated growth rate of 0.79%/yr.
a. Based on these figures, find the doubling time and the projected population in 2050. Assume the growth rate remains constant.
b. Suppose the actual growth rate is instead 0.7%. What are the resulting doubling time and projected 2050 population?
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