Final answer:
The expected completion time of the project is 8 hrs.
Step-by-step explanation:
The expected completion time of the project can be determined by considering the given options. Option a states that the expected completion time is 1.14 hrs, which is less than seven hours. Option b states that the expected completion time is 8.5 hrs, which is more than seven hours.
Option c states that none of the above options is the expected completion time. Option d states that the expected completion time is 8 hrs, which is less than seven hours.
Therefore, the correct answer is d. 8 hrs, as it satisfies the condition of being less than seven hours.