Question: 20 Question A1 [2 marks] 21 Draw a network diagram for this project (Remember arrows and also START and FINISH). 22 Activity Precedents 23 24

20 Question A1 [2 marks] 21 Draw a network20 Question A1 [2 marks] 21 Draw a network

20 Question A1 [2 marks] 21 Draw a network diagram for this project (Remember arrows and also START and FINISH). 22 Activity Precedents 23 24 25 B A 26 B 27 D B 28 E B 29 F DE 30 31 You should find that 1 arrow leads INTO Activity B. 32 33 1) How many arrows lead FROM Activity B? 34 35 2) How many arrows lead INTO the Finish? 36 37 Question A2 [3 marks] 38 Complete the forward pass for the network in Figure 1. (Note: forward pass ONLY) and then answer the questions below. 39 FIGURE 1 40 1) What is the Earliest Start Time (EST) for Activity B? 41 42 2) What is the Earliest FinishTime (EFT) for Activity D? Start 43 44 3) State the duration of the project. 45 46 NOTE: If you want to edit the network to help you with this question, you will need to copy and paste it to another sheet. 47 You may also need to add the arrows in for yourself as these may not copy across. 48 IO 3 B 1 2 F D 5 Finish C 15 E 49 Question A3 [5 marks] 50 Complete the backward pass for the network in Figure 2 and then answer the questions below. (Note: the forward pass has been done) 51 52 FIGURE 2 53 1) What is the Latest Start Time (LST) for Activity E? 08 8 8 1 9 9 12 8 20 54 0 D E 55 2) What is the Latest Start Time (LST) for Activity D? Start 20 56 Finish 57 3) What is the Latest Finish Time (LFT) for Activity A? 0 0 3 3 8 4 12 12 2 14 58 B C F 59 4) What is the float for Activity F? 60 61 5) Decide whether the following statements are TRUE or FALSE. NOTE: If you want to edit the network to help you with this question, you will need to copy and paste it to another sheet. 62 First: Activity A is on the critical path. You may also need to add the arrows in for yourself as these may not copy across. 63 Second: Activity C is on the critical path. 64 65 If you thini First Second then Enter 66 TRUE TRUE 1 67 TRUE FALSE 2 68 FALSE TRUE 3 69 FALSE FALSE 4 70 71 72 Question A4 [1 mark] 73 An activity recruit Project Manager' has a most optimistic time of 3 weeks, a most likely time of 7 weeks and a most pessimistic time of 29 weeks. 74 Use PERT to calculate the expected duration of this activity. 75 1

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