Use the following to answer the next five questions: A Activity Optimistic Most Likely Pessimistic Time (ET) (s) B C Time estimates D 31 44 48 22 Start E 40 50 60 31 b 49 56 72 34 A Expected Variance B End What is the estimated standard deviation of the expected time (in days) for the critical path?

Use the following to answer the next five questions: Time estimates Expected Variance Activity Optimistic Most Likely Pessirnistic Time (ET) (5) What is the estimated standard deviation of the expected time (in days) for the critical path? What is the estimated standard deviation of the expected time (in days) for the critical path? 8 20 25 5 2.83