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Chapter 2, Exercises for Section 2.1, Question 12 Incorrect. The following graph was produced by the U.S. Department of Transportation to report
Chapter 2, Exercises for Section 2.1, Question 12
Incorrect.
The following graph was produced by the U.S. Department of Transportation to report actual and predicted highway crash fatalities (up until ). The left-hand axis shows the number of highway fatalities and the right-hand axis the percent of all crashes that were fatal.Round your answers to the nearest integer.
a. Estimate the number of fatalities in and and calculate the annual average rate of change. Use increments of to estimate the values.
The average rate of change is
.b. Estimate the number of fatalities in and and calculate the annual average rate of change. Use increments of to estimate the values.
The average rate of change is
.c. The fatality rate () between and is predicted to be flat (just below ), while the number of fatalities is expected to increase. How could that be? The number of persons driving cars during this time period will have grown.The percent of crashes that were fatal during this time period will have grown.The fatality rate does not depend on the number of fatalities.
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