Table 6: Comparative results and percentage of deviation.

Fuzzy duration (week)Average of duration (month)Percentage of deviation

Fuzzy CPM(34, 44, 50, 59)10.954.2
Proposed model(54.1, 62.8, 80, 94.4)17.327.3
Real completion time(102, 102, 102, 102)23.8