What is not a major challenge of project scheduling?
A. deadlines B. Activities C. Many employees could require D. Delays are costly
Activities that follow a node.
A. can begin as soon as any activity preceding the node has been completed.
B. have an equivalent earlier start time to the greatest of the earliest finish times for activities entering node.
C. have a latest start time equal to the greatest of the earliest finish times for all activities entering node.
D. none of the alternatives is correct Activities with zero slack.
A. can be delayed B. must be completed first C. be on a critical path D. have no predecessors all of the following are true about time series methods except.
a. discover a pattern in historical data and project it into the future.
b. They involve the use of expert judgment to develop forecasts.
C. assume that the pattern of the past will continue in the future.
d. their forecasts are based solely on past values of the variable or past forecast errors.