In: Operations Management
The following table provides data for a project. Use the data to answer the following questions
| 
 Activity  | 
 Immediate Predecessor  | 
 Time Estimates (weeks)  | 
||||
| 
 Optimistic  | 
 Most Likely  | 
 Pessimistic  | 
 Expected  | 
 Variance  | 
||
| 
 A  | 
 -  | 
 6  | 
 7  | 
 14  | 
||
| 
 B  | 
 -  | 
 8  | 
 10  | 
 12  | 
||
| 
 C  | 
 A  | 
 2  | 
 3  | 
 4  | 
||
| 
 D  | 
 A  | 
 6  | 
 7  | 
 8  | 
||
| 
 E  | 
 B,C  | 
 5  | 
 5.5  | 
 9  | 
||
| 
 F  | 
 B,C  | 
 5  | 
 7  | 
 9  | 
||
| 
 G  | 
 D,E  | 
 4  | 
 6  | 
 8  | 
||
| 
 H  | 
 F  | 
 2.5  | 
 3  | 
 3.5  | 
||