What is Three-point estimates used for?

Schedule control

Schedule control Of the following tools and techniques, which one is NOT used for schedule control?   a. Fast tracking  b. What-if scenario analysis  c. Three-point estimates  d. Adjusting leads and lags  c. Three-point estimates  Three-point estimates used for Three-point estimates are used to determine the estimates that go into the schedule. [Planning and Monitoring and Controlling]

Of the following tools and techniques, which one is NOT used for schedule control? 

a. Fast tracking 
b. What-if scenario analysis 
c. Three-point estimates 
d. Adjusting leads and lags

c. Three-point estimates 

Three-point estimates used for

Three-point estimates are used to determine the estimates that go into the schedule. [Planning and Monitoring and Controlling]