From past experience, you believe that the chances for approval of a subcontractor's shop drawings are a. 50% from the f

[answerhappygod]

From past experience, you believe that the chances for approval
of a subcontractor's shop drawings are
a. 50% from the first submission
b. 30% from the second submission
c. 20% from the third submission
If estimated durations for shop drawing activities are 45 days
for first submission, 14 days for first review, 14 days for each
re-submission, and 7 days for each review (after the first). What
is the duration you assign for the entire cycle of the above
process, using the "Expected Value" equation?
What is the duration you assign for the entire cycle in the
previous example, based on the worst-case scenario? Do you believe
that such duration is realistic? Why or why not?