Chapter 5 practice question answers
5.1. Set Theory and Venn Diagrams
1. a. {a, c, e, f, g, h, i}
b. {c, g}
2. a. {SARS, H5N1, COVID-19}
b. {Tuberculosis, HIV}
3. 65
4. 88
5. a. 20
b. 60
c. 10
5.2. Multiplication Axiom
1. 15,600,000
2. 6,400,000
3. 16
4. 8,388,608
5. 5040
6. 27,000
5.3. Permutations
1. 210
2. 25,200
3. 48
4. 72
5. 64,864,800
6. 210
7. a. 5040
b. 720
c. 240
5.4. Combinations
1. 120
2. 2,598,960
3. 20
4. 25
5. a. 4
b. 60
c. 80
6. a. 4950
b. 17,325
c. 22,737
