Question: Activity D on a PERT network has an optimistic duration of 3 days, a most likely duration of 5 days and a pessimistic duration of

Activity D on a PERT network has an optimistic duration of 3 days, a most likely duration of 5 days and a pessimistic duration of 13 days. What is the expected duration of activity D?

Formula: Expected Activity time: t = (a + 4m + b)/6

	a.	5 days
	b.	6 days
	c.	7 days
	d.	10 days
	e.	12 days

The critical path for the network activities shown below is __________ with duration __________.

	a.	V-W-Z; 23
	b.	V-X-Z; 17
	c.	V-X-Y-Z; 21
	d.	V-X-W-Y-Z; 29
	e.	none of the above

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