The time plot in the figure below gives the number of state and federal prisoners per 100,000 population (Source:Statistical Abstract of the United States, 120th Edition).(a) Estimate the number of prisoners per 100,000 people for 1980 and for 1997.

1980:	prisoners
1997:	prisoners

(b) During the time period shown, there was increased prosecution of drug offenses, longer sentences for common crimes, and reduced access to parole. What does the time-series graph say about the prison population change per 100,000 people? The number of inmates per 100,000 ---Select--- stayed the same increased decreased every year. (c) In 1997, the U.S. population was approximately266,560,000people. At the rate of 440 prisoners per 100,000 population, about how many prisoners were in the system? (Round answer to whole number.) prisoners The projected U.S. population for the year 2020 is323,700,000. If the rate of prisoners per 100,000 stays the same as in 1997, about how many prisoners do you expect will be in the system in 2020? (Round answer to whole number.) prisoners