Percent of Americans Ages 85 and Older. In 1900,0.2% of the U.S. population, or 122,000
Chapter 5, Problem 29(choose chapter or problem)
Percent of Americans Ages 85 and Older. In 1900,0.2% of the U.S. population, or 122,000 people, wereages 85 and older. This number grew to 5,751,000in 2010. The table on the following page lists dataregarding the percentage of the U.S. population ages85 and older in selected years from 1900 to 2010. "a) Use a graphing calculator to fit an exponentialfunction to the data, where x is the number ofyears after 1900. Determine whether the functionis a good fit.b) Graph the function found in part (a) with ascatterplot of the data.c) Estimate the percentage of the U.S. populationages 85 and older in 2007, in 2015, and in2020."
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