Page 781 - Basic College Mathematics with Early Integers
P. 781

ANSWERS TO SELECTED EXERCISES                        A13

            25. New York; 21.9 million or 21,900,000 27. approximately 3 million or 3,000,000  29.  Fiber Content of Selected Foods  31.  Best-Selling Albums of
                                                                                                   All Time (U.S. sales)
                                                          9
            33. 15 adults 35. 61 adults  37. 24 adults  39. 12 adults  41.  43. 20–44
                                                         100
            45. 109 million 47. 23 million 49. answers may vary 51. |; 1  4                      24
            53. |||| |||; 8  55. |||| |; 6  57. |||| |; 6  59. ||; 2  61.  8  Grans of total fiber 5 3  Estimated sales  (in millions) 28
                                                                                                 20
            63. 69  65. 2003, 2004  67. 2006, 2008  6                    2                       16
            69. 2005, 2006, 2007, 2008 71. 3.6  73. 6.2  Number of games  4  1
            75. 25%  77. 34%  79. 83°F
            81. Sunday; 68°F  83. Tuesday; 13°F  2                          (1/2 c)  (1 med)       Pink Floyd:  The Wall  Thriller  Eagles:  Led Zeppelin:
            85. answers may vary                                           Kidney beans  Oatmeal (3/4 c)  Peanut butter,  chunky (2 tbsp)  Popcorn (1 c)  Potato, baked  Whole wheat  bread (1 slice)  Michael Jackson:  Their Greatest Hits  Led Zeppelin IV
                                                      70–79  80–89  90–99  100–109                      AC/DC: Back in Black
                                                    Golf scores                Food
                                                                                                      Album          Answers to Selected Exercises

            Section 7.2
            Vocabulary and Readiness Check 1. circle 3. 360
                                                 9    9
            Exercise Set 7.2  1. parent or guardian’s home  3.  5.  7. Asia 9. 37%  11. 17,100,000 sq mi 13. 2,850,000 sq mi 15. 55%
                                                 35   16
            17. nonfiction 19. 31,400 books 21. 27,632 books 23. 25,120 books 25.  Other varieties  Braeburn  27. Australia 7
                2
                         3
            29. 2 * 5  31. 2 * 5  33. 5 * 17  35. Pacific; answers may vary  22  11
            37. 129,600,002 sq km 39. 55,542,858 sq km 41. 602 respondents  Granny Smith            Europe 68
                                                                  43                                         Africa 18
                               301
            43. 2276 respondents  45.  47. no; answers may vary
                               837
                                                                             Red Delicious     Asia 140
                                                                               133                    North
                                                                      Gala
                                                                      54                             America
                                                                                                        115
                                                                         Fuji
                                                                         50
                                                                                  Golden
                                                                                  Delicious     South America 11
                                                                                    47
            Integrated Review  1. 500,000  2. 550,000  3. retail salespeople  4. waitstaff  5. Oroville Dam; 755 ft 6. New Bullards Bar Dam; 635 ft
            7. 15 ft 8. 4 dams  9. Thursday and Saturday; 100°F  10. Monday; 82°F  11. Sunday, Monday, and Tuesday  12. Wednesday,Thursday, Friday,
            and Saturday  13. 70 qt containers  14. 52 qt containers  15. 2 qt containers  16. 6 qt containers  17. | |; 2  18. |; 1  19. | | |; 3  20. | | | | |; 6
            21. | | | |; 5  22.  6
                        Number of  quizzes  4 2
                             50–59  60–69  70–79  80–89  90–99
                            Quiz scores

            Section 7.3
            Vocabulary and Readiness Check 1. average 3. mean (or average) 5. grade point average
            Exercise Set 7.3 1. mean: 21; median: 23; no mode 3. mean: 8.1; median: 8.2; mode: 8.2 5. mean: 0.5; median: 0.5; mode: 0.2 and 0.5 7. mean: 370.9;
            median: 313.5; no mode  9. 1540.2 ft  11. 1467 ft  13. answers may vary 15. 2.79  17. 3.64  19. 6.8  21. 6.9  23. 88.5  25. 73  27. 70 and 71
                        1    3     11
            29. 9 rates  31.  33.  35.  37. 35, 35, 37, 43  39. yes; answers may vary
                        3    5     15
            Section 7.4
            Vocabulary and Readiness Check 1. outcome 3. probability 5. 0

            Exercise Set 7.4  1.       1  3.    Red  5.            1  7.               1  9.           1
                                                                   2                   2               2
                                  M    2        Blue           1   3           Red     3          H    3
                                       3        Yellow             4                   4               4
                                       1     3 outcomes            1 2                 1               1
                                  A    2                       2   3           Blue    2 3        T    2 3
                                       3                           4                   4               4
                                                                   1                   1        8 outcomes
                                       1                           2
                                                               3               Yellow  2
                                  T    2                           3                   3
                                                                   4                   4
                                       3
                                                                   1
                                       1                       4   2         12 outcomes
                                  H    2                           3 4
                                       3
                                                            16 outcomes
                               12 outcomes
   776   777   778   779   780   781   782   783   784   785   786