Answer:
29.572 minutes
Explanation:
Data provided in the question: Â
Average completion time for the task = 27.13 minutes Â
Performance rating for the observations i,e Rating factor = 109% = 1.09
Now, Â Â Â Â Â Â Â
Normal time = (Average completion time) ×  Rating factor
or  Â
Normal time = 27.13 minutes × 1.09
or    Â
Normal time for the task = 29.572 minutes