A vendor contracted to provide a critical component regularly revises the expected delivery date. The latest schedule submitted by the vendor leaves a float of only two weeks while it is still six weeks before delivery.
What should the project manager do?

Which cost estimate technique includes contingencies to account for cost uncertainty?

Because critical distribution needs were not identified and considered, an upcoming product is cancelled one day before the announced launch. What should have been better developed to prevent this?

Cost aggregation is typically performed by aggregating work packages in accordance with the:

A quality control (QC) manager for a manufacturing firm is calculating the expected standard deviation (s) for the length of hex bolts being produced on the assembly line. There are two sources of variation in the length of the hex bolts: production variation and measurement error. The QC manager knows that the standard deviations from these two sources are 0.24 inch and 0.43 inch, respectively. Assuming that there are no other significant sources of error, what answer should the QC manager calculate for the total standard deviation of the length of the hex bolts?