Basic Concepts of Probability
Read this section about basic concepts of probability, including spaces, and events. This section discusses set operations using Venn diagrams, including complements, intersections, and unions. Finally, it introduces conditional probability and talks about independent events.
1. a. 0.6
b. 0.4
c. not independent
3. a. 0.22
b. 0.81
c. 0.27
5. a. 0
b. 0
7. a. 0.5
b. 0.4
c. 0.6
9. a. 0.25
b. 0.33
c. 0
d. 0.25
11. a. 
b. independent
c. without computation 0.3
13. a. Insufficient information. The events A and B are not known to be either independent or mutually exclusive.
b. 0.21
c. 0
15. a. 0.25
b. 0.02
17. a. 0.5
b. 0.57
c. 0.875
d. 0.75
19. a. 0.4
b. 0.43
c. 0.38
21. a. 0.15
b. 0.14
c. 0.25
d. not independent
23. 0.0375
25. 0.931
27. 0
29. a. 0.36
b. 0.72