answer all please

Multiwall Paper company is going to install air pollution control equipment in its facility. The EPA has given the company 16 weeks to install the equipment and be in compliance or they will close down the plant. Use the network diagram below is a representation of the project. Use it to answer questions 142-147. A2 F3 C 2 start E4 H2 B3 D4 G5 145. 146. 147. 148. 149. - What is the latest finish of activity G? a. 8 b. 13 c. 5 d. 10 e. 15 What is the critical path? a. A-D-G- H b. B-D-G-H C. A-C-E-G-H d. S-A-C-F-H e. none of the above What is the project completion time? a. 13 weeks b. 15 weeks C. 16 weeks d. 10 weeks e. none of the above Which activities have some slack time? a. B b. D C. F d. All of the above C. None of the above An activity in a PERT analysis has the following times of completion: a -2, m=3 and b 4. Find the expected time and variance for this activity. a. 4.5 and 0.44 b. 3 and 0.11 C. 2 and 0.00 d. 0.3 and 0.11 e. 4.0 and 2.0