Following Are the Three Time Estimates for a Task in a Project

Multiple Choice

Following are the three time estimates for a task in a project: optimistic completion time = 2 weeks
Most likely completion time = 4 weeks
Pessimistic completion time = 7 weeks
Compute the expected time for the task.

A) 3.5 weeks
B) 4.167 weeks
C) 5.23 weeks
D) 5.75 weeks