Question Completion Status: Chours d. 10 hours e. 11 hours QUESTION 3 There are four activities on the critical path, and these activities have standard deviations of 1.2.4 and 2 days. respectively. The standard deviation of this critical path is then: a. 25 days b. 16 days c. 3 days d. 9 days e. 5 days QUESTION 4 ART Contractors must locate an equipment staging area to serve three construction sites, located at (x,y) coordinates (0,3), (1.4) and (5,5). Traffic between the staging area and each of the sites is 30 trips only 10 trips a week. What is the best set of co-ordinates for the equipment staging area? Click Save and Submit to save and submit. Click Save All Answers to save all answers x y