Question: Please help with the following problem. You do not have to do the entire thing, I just need help figuring out how to do it/

Please help with the following problem. You do

Please help with the following problem. You do not have to do the entire thing, I just need help figuring out how to do it/ start it. Thank you very much in advance. For the PERT method, there are optimistic, most likely and pessimistic duration times shown for each of the project activities. Please determine the 95% confidence interval for total project duration. Please show work as I am very lost and I have not learned how to do this yet. Predecessors A B E F Activity Description Site Work (A) Foundation (B) Framing (C) Plumbing Rough-in (D) Roofing (E) Install Exterior Windows & Doors (F) Electric Rough-in (G) H.V.A.C (H) Siding (1) Insulation (J) Drywall (K) Paint Exterior (L) Paint interior Drywall/Stain Trim (M) Install Interior Trim (N) Install Tile, Carpet, Hardwoods (O) Install Fixtures/Connect Appliances (P) Install Kitchen Cabinets/Countertop (Q) Exterior Landscaping (R) Electrical Final Trim (S) Hardware (cabinets, doors) (T) Final touch ups (U) Cleaning (V) Final Walk-through (W) Move-in (T., Tm, Tp) Days 4, 7, 10 28, 30, 35 15, 22, 30 7, 10, 12 2, 4,7 1, 2, 3 5, 8, 10 5,8,9 2, 5, 7 1,2,3 7,10, 14 2, 3, 5 3, 5, 7 4,7,9 8, 10, 12 3,6,8 3, 4, 5 4, 7, 10 2,4,6 3,6,8 F F H, D, G J I K M N O O L Q 2, 4, 6 Q R, P,T, S U 1,2,3 0.5,1, 2 3,4,5 V W

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