FINAL Exam 7/29/2021 A survey of 139 college students was done to find out what elective courses they were taking. Let A = the set of those taking art, B = the set of those ctic 14. basketweaving, and C = the set of those taking canoeing. The study revealed the following information. n(A) = 45 n(A n B) = 12 n(B) = 55 n(A n C) = 15 n(C) = 40 n(B n C) = 23 n(An Bn C) = 2 How many students were not taking any of these electives? O A. 47 O B. 57 O C. 10 OD. 49 ID: 2.5-6 15. Write the Inverse of the statement. Use DeMorgan's Laws if necessary. If it is a cat, then it catches birds. O A. If it catches birds, it's a cat. O B. Not all cats catch birds O C. If it's not a cat, it doesn't catch birds. O D. If it doesn't catch birds, it's not a cat. ID: 3.4-16 16. Identify the quadrilateral. O A. Trapezoid O B. Square O C. Parallelogram O D. Rhombus ID: 8.2-16 17. Use the counting principle to obtain the answer. A saleswoman packed 3 jackets and 5 skirts. With one jacket, she could wear all 5 skirts. With another jacket, she could wear 4 skirts. With the third jacket she could wear only 3 skirts. How many different combinations did she have? O A. 60 OB. 11 O C. 23 OD. 12 ID: 11.4-4