Section PC.5 Solutions to the Practice Problems

1.

a. [latex]\frac{10}{65}[/latex]

b. [latex]\frac{8}{65}[/latex]

c. [latex]\frac{51}{65}[/latex]

d. [latex]\frac{44}{65}[/latex]

2.

a. [latex]\frac{19}{81}[/latex]

b. [latex]\frac{10}{81}[/latex]

c. [latex]\frac{51}{81}[/latex]

d. [latex]\frac{67}{81}[/latex]

3. [latex]\frac{5}{52}[/latex]

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

5. [latex]\frac{4}{13}[/latex]

6. [latex]\frac{11}{26}[/latex]

7. [latex]\frac{7}{13}[/latex]

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

9. [latex]\frac{5}{7}[/latex]

10. [latex]\frac{5}{14}[/latex]

11.

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

b. [latex]\frac{3}{8}[/latex]

12. 0.67

13. 0.78

14. [latex]\frac{7}{10}[/latex]

15. [latex]\frac{2}{7}[/latex]

16.

a. [latex]\frac{9}{11}[/latex]

b. [latex]\frac{5}{11}[/latex]

c. [latex]\frac{4}{11}[/latex]

d. [latex]\frac{10}{11}[/latex]

17. 0.38

18.

a. [latex]\frac{6}{7}[/latex]

b. 1

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

20.

a. [latex]\frac{56}{200}[/latex]

b. [latex]\frac{3}{8}[/latex]

c. [latex]\frac{34}{200}[/latex]

d. Female nurse with bachelor’s degree

21.

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

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

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

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

e. [latex]\frac{5}{12}[/latex]

22.

a. 54.7%
b. 32.6%
c. 83.7%
d. 45.3%