Section PC.4 Solutions to the Practice Problems

1. Dependent

2. Dependent

3.

a. Independent

b. [latex]\frac{1}{36}[/latex]

4. [latex]\frac{1}{12}[/latex]

5. [latex]\frac{1}{8}[/latex]

6. [latex]\frac{1}{36}[/latex]

7. [latex]\frac{1}{4}[/latex]

8. [latex]\frac{1}{12}[/latex]

9. [latex]\frac{1}{8}[/latex]

10. 4.41%

11. [latex]\frac{8}{55}[/latex]

12.

a. [latex]\frac{1}{17}[/latex]

b. [latex]\frac{4}{17}[/latex]

c. [latex]\frac{13}{51}[/latex]

d. [latex]\frac{4}{51}[/latex]

13.

a. [latex]\frac{1}{169}[/latex]

b. [latex]\frac{12}{169}[/latex]

c. [latex]\frac{144}{169}[/latex]

d. [latex]\frac{1}{16}[/latex]

e. [latex]\frac{9}{13}[/latex]

14.

a. [latex]\frac{1}{156}[/latex]

b. [latex]\frac{5}{48}[/latex]

c. [latex]\frac{3}{26}[/latex]

d. 0

e. [latex]\frac{11}{13}[/latex]

15.

a. [latex]\frac{2}{5}[/latex]

b. [latex]\frac{1}{3}[/latex]

16.

a. [latex]\frac{1}{2}[/latex]

b. [latex]\frac{2}{3}[/latex]

17.

a. 42.5%
b. 53.3%
c. 53.3%
d. 47.1%

18. [latex]\frac{1}{2}[/latex]

19. [latex]\frac{1}{6}[/latex]

20.

a. [latex]\frac{3}{14}[/latex]

b. [latex]\frac{2}{5}[/latex]

21.

a. [latex]\frac{5}{13}[/latex]

b. [latex]\frac{2}{11}[/latex]

c. [latex]\frac{1}{3}[/latex]

22.

a. [latex]\frac{6}{17}[/latex]

b. [latex]\frac{2}{21}[/latex]

c. [latex]\frac{4}{17}[/latex]

23.

a. 0.0221
b. 0.9997

24.

a. 0.01186
b. 0.99998

25. [latex]\frac{4}{663}[/latex]

26. [latex]\frac{25}{102}[/latex]

27. [latex]\frac{4}{663}[/latex]

28. [latex]\frac{253}{9996}[/latex]

29. [latex]\frac{1}{12}[/latex]

30. [latex]\frac{17}{147}[/latex]

31. [latex]\frac{2}{65}[/latex]

32.

a. [latex]\frac{77}{300}[/latex]

b. [latex]\frac{77}{300}[/latex]

c. [latex]\frac{11}{60}[/latex]

d. [latex]\frac{91}{300}[/latex]

e. [latex]\frac{91}{300}[/latex]

33.

a. [latex]\frac{1001}{6900}[/latex]

b. [latex]\frac{77}{690}[/latex]

c. [latex]\frac{1001}{6900}[/latex]

d. [latex]\frac{33}{460}[/latex]

e. [latex]\frac{91}{575}[/latex]

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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.

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