Question: questions: a. what is the expected (estimated) time for activity c? b. What is the variance for activity c? c. based on the calculation of

questions: a. what is the expected (estimated)

questions:

a. what is the expected (estimated) time for activity c?

b. What is the variance for activity c?

c. based on the calculation of estimated times, what is the critical path?

d. what is the estimated time of the critical path?

e. what is the activity variance along the critical path?

f. what is the probability of completion of the project before week 36?

Ross Hopkins, president of Hopkins Hospitality, has developed the tasks, durations, and predecessor relationships in the following table for building new motels. Time (weeks) Time (weeks) b Immediate Predecessor(s) Activity a m a m b A 6 9 Activity G H 2 3 4 1 B C 8 12 MU OWL 12 24 18 10 4 21 C - I 1 5 4 . A A B C, E Immediate Predecessor(s) C, E F F D, G, H I, J 1 5 12 7 8 5 1 5 D E 5 8 3 J K 2 3 4 F 8 a) The expected (estimated) time for activity C is weeks. (Round your response to two decimal places.)

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