5.5. Practice question answers
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
