19, answer asap

QUESTION 19 A project manager created the following table to monitor progress Activity Immediate Predecessors Activity Times (w ks) Responsibility blank bank Wilson blank 0 blank " blank Marte blank Start 10 Dolio Start 7 A 3 Castillo Pujols Castillo Paul B 8 B 22 Montclair to Jersey City Walking Path Start Organizing and Site Preparation A Select administrative staff B Select site and survey C. Select path material D. Prepare final construction plans E. Bring utilities to site Negotiate Business Contracts with Locals Physical Facilities and infrastructure G Purchase and deliver equipment H Construct Path 1. Develop information system J. Install business locations K Train groundskeepers Finish 8 Dello blank blank Walice 33 D 38 13 Sampson Casey Murphy Pike 2 E GH FIJ Ashton 0 blank K Suppose the project team has arrived at the following estimates for activity B: a = 5 wks | m = 6 wks | b = 13 wks Calculate the expected time for activity B