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Category: Business and Industry
Date Submitted: 05/13/2014 01:01 PM
QLT1 task 4Student book Task 4
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Quantitative Analysis for Business QAT1
Assignment 309.3.2- 01-06 - Version LMF05-28
Student Name: Lauren Lambert Student Number: 295309 Scroll down to unlocked cells to show work.
PERT/CPM Analysis Table 1.1
PERT/CPM Analysis Table 1.2
Task START A B C D E F G H I
Preceding Activity start A A B,C C A D G E, H, F
Optimistic Time to Complete (weeks) 2 9 10 7.4 24 30 5 5 4
Probable Time Pessimistic Time to Complete to Complete (weeks) (weeks) 3.1 11.5 14.5 8.5 25 33 6 7 4.5 3.6 12.5 15.4 30.6 35 36 7 9 5
Expected Time to Complete (weeks)
Variance (weeks)
Task START A B C D E F G H I
Expected Time to Complete Normal (weeks)
Crash (weeks) 0.5 5 12 7 25 27 3 3 1
Normal Cost 8400 28000 18000 36800 14000 20000 18200 44000 26000
Crash Cost 18000 40000 24000 44800 16800 24000 28000 64000 36000
Maximum Reduction in Time
Crash Cost per week
Show work below:
Activity Start A B C D E F G H I
Preceding activity start A A B,C C A D G E,H,F
Optimistic 2 9 10 7.4 24 30 5 5 4
Likely 3.1 11.5 14.5 8.5 25 33 6 7 4.5
Pessimistic 3.6 12.5 15.4 30.6 35 36 7 9 5
Expected time to complete (weeks) 3.00 11.25 13.90 12.00 26.50 33.00 6.00 7.00 4.50
Std dev 0.27 0.58 0.90 3.87 1.83 1.00 0.33 0.67 0.17
Varianc e 0.07 0.34 0.81 14.95 3.36 1.00 0.11 0.44 0.03
Task Start A B C D E F G H I
Exp Time to complete (p) 3.00
11.25
Crash (weeks) (q) 0.50
5.00
Normal cost ( r) 8400
28000
Crash cost (s) 18000
40000
Crash Max cost per Redn in week time (v=(s(t = p-q) r)/t) 2.50
6.25
3,840
1,920
13.90
12.00
12.00
7.00
18000
36800
24000
44800
1.90
5.00
3,158
1,600
26.50
33.00 6.00 7.00
25.00
27.00 3.00 3.00
14000
20000 18200 44000
16800
24000 28000 64000...