Q4: Consider a hypothetical project with the information in the below Table and answer the following multiple-choice questions. You need to choose the correct answer by using the tick-box provided for each question on page 10. There is only one correct answer. Table 2 Activity Direct cost () A B D E Optimistic (month) 5 2 1 6 4 Most Likely (month) 7 3 2 8 6 Pessimistic (month) 9 4 3 10 8 7000 4000 2000 11000 6000 4.1. Assume the critical path is A-C-D. What are the Expected Time (ET) and standard deviation (o) of this path? a) ET=9 month, o = 0.58 b) ET=17 month, o = 1 C) ET=7 month, o = 1.3 d) ET=12 month, o = 1.2 4.2. What is the probability that the project will be completed in less than or equal to 20 months and 15 months respectively.? a) 0.8869, 0.0228 b) 0.9949, 0.0082 c) 0.9987, 0.0228 d) 0.9977, 0.0217 4.3. A performance review 12 months after the project started finds that 70% of the overall project work has been completed with a direct cost of 22000. Identify the Cost Performance Index using the percentage rule. a) 0.9878 b) 0.8545 C) 0.8313 d) 0.9545 4.4. Assume an organisational overhead of 500 per month is charged to the project. It is estimated that all activities in the project will benefit from a learning rate of 0.969512. Identify the organisational overheads for the Fifth (5th) repetition of this project? a) 7910 b) 4188 c) 3257 d) 5584