a). If you had an activity with a optimistic time estimate of 1, a most likely estimate of 5, and a pessimistic estimate of 9. What would the expected time for the activity be? Answer to one decimal place.

b). If you had an activity with a optimistic time estimate of 1, a most likely estimate of 7, and a pessimistic estimate of 11, what would the variance for the activity be? Answer to two decimal places.

c). What is the expected completion time for the project? (Show your work)

d). What is the variance of the project?

An advertising agency CEO has gathered the activity information for a new advertising campaign as shown in the accompanying table. Time estimate weeks Most Likely Pessimistic Activity Optimistic Immediate Predecessors A 1 2 3 D E F G 4 6 3 13 6 8 5 7 7 6 14 12 16 6 3 6 1 B A AC B E,F Draw the network and use it to answer the following questions