Concept explainers
Harsh, mandatory minimum sentence for drug offensesaccount for more than half the population in U.S. federalprisons. The bar graph shows the number of inmates infederal prisons, in thousands, (or drug offenses and all othercrimes in 1998 and 2010. (Other crimes include murder, robbery, fraud, burglary, weapons offenses, immigration offenses, racketeering, and perjury.)
a. In 1998, there were 60 thousand inmates in federalprisons Tor drug offenses, hoi the period shown by the graph, this number increased by approximately2.8 thousand inmates per year. Write a function thatmodels the number of inmates, y. in thousands, tor drug offenses x years after 1998.
b. In 1998, there were 44 thousand inmates in federalprisons for all crimes other than drug offenses. For theperiod shown by the graph, this number increased byapproximately 3.8 thousand inmates per year. Writea function that models the number of inmates, y. inthousands, for all crimes other than drug offenses x yearsafter 1998.
c. Use the models from parts (a) and (b) to determinem which year the number of federal inmates for drug offenses was the same as the number of federal inmatesfor all other crimes. How many inmates were there fordrug offenses and for all other crimes in that year?2014:104.8thousand
Want to see the full answer?
Check out a sample textbook solutionChapter 7 Solutions
Thinking Mathematically (7th Edition)
- 25. Each year America.EDU ranks the best paying college degrees in America. The following data show the median starting salary, the mid-career salary, and the percentage increase from starting salary to mid-career salary for the 20 college degrees with the highest mid-career salary (America.EDU website, August 29, 2013) % Increase Mid-Career Salary Degree Starting Salary 82 108,000 Aerospace engineering Applied mathematics Biomedical engineering Chemical engineering Civil engineering Computer engineering Computer science Construction management 59,400 79 101,000 56,400 84 101,000 54,800 67 108,000 64,800 75 93,400 53,500 43 87,700 61,200 74 97,700 56,200 73 87,000 97,800 50,400 100 48,800 Economics 71 104,000 60,800 Electrical engineering 93 91,500 47,500 Finance 113 88,300 41,500 Government 77 87,100 49,300 Information systems 77 90,300 50,900 46,400 63,900 93,000 Management info. systems 90 88,300 Mathematics 63 104,000 Nuclear engineering Petroleum engineering Physics Software…arrow_forward3. For a special report in the Cedar Rapids, IA, Gazette, reporters used a radar gun to check the speeds of motorists in two counties. They were shocked (!) to discover that some motorists were driving at a speed greater than the posted limits. They reported the following information in their story: Speeding data for cities in Linn and Johnson Counties City City Speed Counted Limit Cars Over %Over Limit Limit Cedar Rapids Iowa City Iowa City 25 241 233 96.7 35 292 124 42.5 20 203 203 100.0 Marion 30 329 268 81.5 Coralville 25 174 161 92.5 Suppose that one of these drivers is selected at random. Define the followwing events: = the event that a driver was in a city with a speed limit above 25 mph. S= the event that a driver is speeding. a) The table below shows the possible combinations of F and S. For each combination, calculate the probability that the combination would be observed for a randomly selected driver. Enter these probabilities into the corresponding cell in the table. Speed…arrow_forwardThe bar graph below shows the number of students by major in the College of Arts and Sciences. How many students are majoring in math? a. 300 b. 250 c. 150 d. 200arrow_forward
- Kindly assist with creating bar charts, or pie charts for the below results; Housekeeping respondents were questioned about their observations regarding changes or improvements in gender diversity over recent months or years. All respondents (100%) acknowledged witnessing recent promotions between both genders within Housekeeping and other departments. Similarly, 80% of Guest Services department respondents shared similar observations. Conversely, 75% of respondents from the food and beverage department indicated that they have not observed any changes or improvements in gender diversity, particularly within their own department.arrow_forward. Suppose you were taking a statistics course where the final grade breakdown ended up being the following: 8 A's, 6 B's, 5 C's, 2 D's, 1 F. Create a bar graph of this data using either your calculator or iPad and upload an image of that bar graph on this discussion. Please visit the uploading images page on Canvas for instructions on how you can upload images for this discussion. 3. Analyze the graphic below and write a quick reflection on what you believe the graph is communicating. Your reflection should be at least 4 sentences long. If you need help figuring out what the graph is trying to communicate, then there are a few questions on the graph reflection page to get you started. The Biggest Movie Franchises U.S. domestic box office revenue by movie franchise (in billion U.S. dollars)* JAN 2 26 POP MacBook Air FI1 F10 F9 F8 F7 000 D00 F4 F5 F6 &arrow_forward3. The bar chart below shows the top 10 states where refugees are resettled from fiscal years of 2002 to 2017. a. Summarize what you see in this chart in at least 3 sentences. b. Suppose there were 855,000 refugee arrivals during this time period. Calculate the percentage of refugees resettled into each of these top 10 resettlement states. Number of refugees admitted into the U.S. between fiscal 2002 and 2017, in thousands, by state of resettlement Califo rnie 105 Texas 84 New York 55 Florida 47 Washington 42 Minnesota 42 Arizona 40 Michigan 39 Georgia 36 Pennsyvenia 33arrow_forward
- Part a through e please. Thank you!arrow_forward* 00 ea 3, 个 6. 4. 7. 4, 0 b Cab 2. 5. 6 $ #3 & esc dy 2021 McGraw Hill LLC. All Righ Check 6.5-7.5 9. 5.5-6.5 4.5-5.5 3.5-4.5 2.5-3.5 3. Class limits Class boundaries Frequency Send data to Excel 3. 3. 4. 5. 8. 4. 3. 8. 4. 4. 8. 8. Ages of Dogs The ages of 20 dogs in a pet shelter are shown. Construct a frequency distribution using 6 classes.arrow_forwardI tried to find the answer but I could not.arrow_forward
- Just part d pleasearrow_forwardC6. Let's continue our analysis of offenders and victims of violent crime. In the following table, U.S. Department of Justice 2011 data for the sex of offenders and the sex of victims are reported. Sex of Offender Sex of Victim Male Female Male 3,760 450 Female 1,590 140 Source: U.S. Department of Justice, Expanded Homicide Data, Table 6, 2011.arrow_forwardPart c and d? It says it’s wrong.arrow_forward
- Glencoe Algebra 1, Student Edition, 9780079039897...AlgebraISBN:9780079039897Author:CarterPublisher:McGraw HillHolt Mcdougal Larson Pre-algebra: Student Edition...AlgebraISBN:9780547587776Author:HOLT MCDOUGALPublisher:HOLT MCDOUGALFunctions and Change: A Modeling Approach to Coll...AlgebraISBN:9781337111348Author:Bruce Crauder, Benny Evans, Alan NoellPublisher:Cengage Learning