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Section PC.8 – Probability with Permutations and Combinations Practice Problems Solutions

1. 26  25  24  23  22  21266 = 0.5366

2. 0.033%

3. 5  4  3  2264 = 0.0002626

4. 55265 = 0.0002630

5. 1720

6. 116  15  14  13  12 = 1524,160

7. 0.14%

8. 9117,383,860

9. 143,143482,885

10.

a. 60

b. 160

c. 130

11. 211,022,626

12. 12,91512,271,515

13. 19

14. 1,2872,598,960

15. 12,598,960

16. 1108,290

17. 142

18.

a. 0.1736%
b. 0.0495%
c. 6.6026%
d. 0.0609%
e. 29.9474%

19. 0.785

20.

a. 0.255
b. 0.509
c. 0.018
d. 0

21.

a. 19,880

b. 332,000

22.

a. 1177,000 ≈ 0.000005647

b. 9696,325 ≈ 0.153201581

23. 1132,600

24. 1120

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College Mathematics - MAT14X - 3rd Edition Copyright © by Adam Avilez; Shelley Ceinaturaga; and Terri D. Levine is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License, except where otherwise noted.