Case Study #1 .,Rockfest has Most Likely Time estimate of 7 weeks will have an O
ID: 345839 • Letter: C
Question
Case Study #1 .,Rockfest has Most Likely Time estimate of 7 weeks will have an Optimistic Time estimate of 5.25 weeks (7 x0.75 s.25 weeks) and Pessimistic Time estimate of (7X14-9.8 weeks). Complete an appropriate chart to show the () critical path on an AOA Network, (b) project completion time, (e) probablity that project will be completed in less than 33 weeks? 06: Further to the data provided above for 3 estimates, the management is now contemplating to crash the network to the minlmum possible time under the crash cost schedule provided below. (a) What would be the minimum duration of the project?, and (b) what is the corresponding crash cost? (c) If the management wants to crash the project down to 29.85 weeks only, what will be the total cost incurred and corresponding crash schedule? You must submit computer outputs (original) for questions #5 and #6 to earn credits Crash time in weeks Normal Cost (S Crash Cost (S) Normal Time in 10000 8000 15000 7250 11500 9000 6000 2.5 5.5 1.95 10000 1000 5500 10000 1250 3.5 15000 0.1 7000 7.5 7000 18 10000 10000 15000 this column trom your calculation troas question es. For e tm . b]/6-ts25.4" (7)+98)/6 7 1 75 (Rounded to three decimal Cost data in the above columas are fictional and have been incorporated to test your knowledige of project esample the entry corresponding to activity A-(a 8 MacBook Air F2 0 F3 FS F7Explanation / Answer
For C and D. The parts of B and solution with precedence is required.
Activity Crash time Normal cost Crash cost Cost/time A 6 10000 11500 250 B 2 8000 9000 500 C 2.5 15000 16000 400 D 4 7250 7895 161.25 E 5.5 7500 10000 454.5455 F 3.5 8000 9000 285.7143 G 1.95 1000 1250 128.2051 H 3.5 5500 5800 85.71429 I 3 10000 15000 1666.667 J 8 2000 5000 375 K 0.1 7000 8000 10000 L 0.5 8000 9000 2000 M 7.5 6000 9000 400 N 5.5 5000 7000 363.6364 O 5 6000 8000 400 P 18 6000 9000 166.6667 Q 3.5 8000 9000 285.7143 R 2.5 6000 8000 800 S 2.5 9000 10000 400 T 3 8000 8200 66.66667 U 5 7000 8000 200 V 6 5000 5600 100 W 3.5 8000 9500 428.5714 X 7 10000 15000 714.2857 Y 5.5 5000 10000 909.0909 Z 5.5 6000 8000 363.6364 Total 120.55 184250 231745 393.9859 Ans A Ans B