Problem 2: A task has a duration of 10 and a late finish time of 24. What is its late start time?Problem 4: A task has an early start time of 15, a late start time of 19, an early finish time of 26, and a late finish time of 30. What s its slack? Problem 6: For the project depicted in the activity-on-arrow diagram below [dme units are days): a) What is the critical path? b) How long will it take to complete the project? c) What is the late start time for task B? d) What is the slack for task B? What is the early start time for task C7 What is the slack for task C7 g] What is the late finish time for task G ) What is the slack for task G? Problem 8: A task has an optimistic completion time of 7 days, a most likely completion time of 10 days, and a pessimistic completion time of 13 days. a) What is the expected completion time? b) What is the variance of the task's completion time? Problem 10: A project's critical path has seven tasks [A through F)] with expected durations and standard deviations as given below. a) What is the critical path's expected length? b) What is the standard deviation of the critical path's length