Question 3 For the PERT problem find the critical path and project duration. What is the probability that the project will be completed in 25 days? Activity Predecessor Time Most likely Pessimistic 14 12 A A B D E F G H I Optimistic 2 1 0 1 3 3 1 5 3 15904952 D 67739 B E,F G 10 15 6 Question 4 You are given the following data about the project tasks, network, and crash times/costs. Calculate the cost of the project at all time durations until you can no longer crash the project any further. [10] Job ID B Normal Time Cost 5 $500 10 $1200 13 $3600 13 $300 5 $1000 10 $2400 5 $700 || Crash Time Cost 4 $600 6 $2000 11 $4800 11 $600 4 $1400 $5400 $700 G B D A G E F