Hello! I'm having trouble with this practice problem. Thank you for your help!

Davison Construction Company is building a luxury lakefront home in the Finger Lakes region of New York. Coordination of the architect and subcontractors will require a major effort to meet the 47-week completion date requested by the owner. The Davison project manager prepared the following project network. Start Activity A B D E F Estimates of the optimistic, most probable, and pessimistic times (in weeks) for the activities are as follows. Optimistic Most Probable Pessimistic G H 4 6 6 3 6 5 10 A 5 8 7 12 5 9 8 15 B 160 D 12 8 18 7 18 17 20 F 13 E G H Finish (a) Find the critical path. (Enter your answers as a comma-separated list.) (b) What is the expected project completion time (in weeks)? weeks (c) Based only on the critical path, what is the estimated probability the project can be completed in 47 weeks as requested by the owner? (You may need to use the appropriate technology to answer this question. Round your answer to four decimal places.) (d) Based only on the critical path, what is the estimated probability the building project could run more than 3 months late? Use 60 weeks for this calculation. (You may need to use the appropriate technology to answer this question. Round your answer to four decimal places.) (e) What should the construction company tell the owner? (Enter your free-form answer using as many characters as necessary.)