Jack Kanet manufacturing produces cutom-built pollution control devices for medi

Question

Jack Kanet manufacturing produces cutom-built pollution control devices for medium size steel mills. The most recent project undertaken by Jack requires 14 different activities. The appropriate data are shown in the following table:

The activities that represent the project's critical path are _______

b.) If the time to complete the activites on the critical path is normally distributed, then the probability that the critical path will be finished in 53 days or less = __?

c.) Number of days that would result in 99% probability of completion = ___days ?

Activity a m b Immediate Predecessor(s) Activity a m b Immediate Predecessor(s) A 3 6 7 - H 4 4 8 E, F B 1 2 5 - I 3 6 9 G, H C 5 5 5 A J 1 4 8 I D 4 8 13 A K 6 9 13 I E 1 10 17 B, C L 1 4 6 J F 1 4 7 D M 1 2 3 K G 2 7 10 D N 6 8 12 L, M

Explanation / Answer

a. for a, 30 hrs , for b,86 hrs, for m,50 hrs

the activities taht determines the critical pah are the prerequiste activitities!

b.0.667 is the probability

c.3.558 days = 4 days!

answer!

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