If an activity has its optimistic, most likely and pessimistic times as 2, 3 and 7 respectively, then its expected time and variance are respectively___________________?

Related Mcqs:

A father notes that when his teenage daughter uses the telephone, she takes not less than 6 minutes for a call and som? times as much as an hour. Fifteen minutes call are more frequent than calls of any other duration. If these phone calls were an activity in PERT project, then phone calls expected duration will be_______________?

A. 15 minutes B. 20.143 minutes C. 21 minutes D. 27 minutes...

A wheeled tractor hauling unit is working on firm earth. The total loaded weight distribution of this unit is: Drive wheels : 25000 kg Scraper wheels : 10000 kg If the coefficient of traction for wheeled tractor on firm earth is 0.5, the rimpull which this tractor can exert without slipping is_______________?

A. 10000 kg B. 12500 kg C. 22500 kg D. 5000 kg...

Grader is used mainly for___________________?

A. trimming and finishing B. shaping and trimming C. finishing and shaping D. finishing, shaping and trimming...

The grade resistance factor for an earth moving machine can be obtained by multiplying grade percentage by a factor approximately equal to_________________?

A. 2 kg/tonne B. 6 kg/tonne C. 9 kg/tonne D. 20 kg/tonne...

The time with which direct cost does not reduce with the increase in time is known as_________________?

A. crash time B. normal time C. optimistic time D. standard time...