Case 1 (50 p.)
Given the following network with activities and times estimated in days,Note 1: Show all your calculations. Answers without supporting calculations will receive 0 (zero) points.Note 2: Round all numbers to two places after the decimal.
a (10 p.) What are the critical path activities?
b (5 p.) What is the expected time to complete the project?
c. (5 p.) What is the project variance?
d (10 p.) What is the probability the project will take no more than 28 days to complete?
e (15 p.) Suppose the management requests that activities be shortened to provide an at least 99% chance of meeting the 28-day completion time?If the project variance is the same as you found in (c), how much should the expected project completion time be shortened to achieve the abovegoal?
f (5 p.) Which activities would you consider shortening first to achieve the above goal? Explain why?
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