The bar graph shows the percentage of people 25 years of
Chapter 1, Problem 1.1.1175(choose chapter or problem)
The bar graph shows the percentage of people 25 years of age and older who were college graduates in the United States for seven selected years. The percentage of people 25 years of age and older who were college graduates in the United States, p, can be described by the mathematical model p 0.002n2 0.3n 5, where n is the number of years after 1950. a. Does the mathematical model underestimate or overestimate the percentage of college graduates in 2000? By how much? b. If the trend shown by the graph continues, use the formula to project the percentage of people 25 years of age and older who will be college graduates in 2020.
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