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___________________?

Byadmin January 19, 2019August 13, 2021

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___________________?

A. 3.5 and 5/6
B. 5 and 25/36
C. 3.5 and 25/36
D. 4 and 5/6

Construction Planning and Management

If the optimistic time, most likely time and pessimistic time for activity A are 4, 6 and 8 respectively and for activity B are 5, 5.5 and 9 respectively, then______________?

If the optimistic time, most likely time and pessimistic time for activity A are 4, 6 and 8 respectively and for activity B are 5, 5.5 and 9 respectively, then______________?

A. expected time of activity A is greater than the expected time of activity B
B. expected time of activity B is greater than the expected time of activity A
C. expected time of both activities A and B are same
D. none of the above

Read More If the optimistic time, most likely time and pessimistic time for activity A are 4, 6 and 8 respectively and for activity B are 5, 5.5 and 9 respectively, then______________?
Construction Planning and Management

A contractor has two options : Invest his money in project A or (II) : Invest his money in project B. If he decides to invest in A, for every rupee invested, he is assured of doubling his money in ten years. If he decides to invest in B, he is assured of making his money 1.5 times in 5 years. If the contractor values his money at 10% interest rate, he______________?

A contractor has two options : Invest his money in project A or (II) : Invest his money in project B. If he decides to invest in A, for every rupee invested, he is assured of doubling his money in ten years. If he decides to invest in B, he is assured of making his money 1.5 times in 5 years. If the contractor values his money at 10% interest rate, he______________?

A. should invest in neither of the two projects
B. could invest in either of the two projects
C. should invest in project A
D. should invest in project B

Read More A contractor has two options : Invest his money in project A or (II) : Invest his money in project B. If he decides to invest in A, for every rupee invested, he is assured of doubling his money in ten years. If he decides to invest in B, he is assured of making his money 1.5 times in 5 years. If the contractor values his money at 10% interest rate, he______________?
Construction Planning and Management

The area under the Beta – distribution curve is divided into two equal parts by_______________?

The area under the Beta – distribution curve is divided into two equal parts by_______________?

A. most likely time
B. optimistic time
C. pessimistic time
D. expected time

Read More The area under the Beta – distribution curve is divided into two equal parts by_______________?
Construction Planning and Management

The time by which a particular activity can be delayed without affecting the preceding and succeeding activities is known as_______________?

The time by which a particular activity can be delayed without affecting the preceding and succeeding activities is known as_______________?

A. total float
B. free float
C. interfering float
D. independent float

Read More The time by which a particular activity can be delayed without affecting the preceding and succeeding activities is known as_______________?
Construction Planning and Management

If the expected time of completion of a project is 60 weeks with a standard deviation of 5 weeks, the probability of completing the project in 50 weeks and 65 weeks respectively will be__________________?

If the expected time of completion of a project is 60 weeks with a standard deviation of 5 weeks, the probability of completing the project in 50 weeks and 65 weeks respectively will be__________________?

A. 2.3% and 84.1%
B. 97.7% and 84.1%
C. 97.7 % and 15.9%
D. 15.9% and 97.7%

Read More If the expected time of completion of a project is 60 weeks with a standard deviation of 5 weeks, the probability of completing the project in 50 weeks and 65 weeks respectively will be__________________?
Construction Planning and Management

Earliest finish of an activity is always_______________?

Earliest finish of an activity is always_______________?

A. greater than earliest event time of the following node
B. less than earliest event time of the following node
C. less than or equal to earliest event time of the following node
D. greater than or equal to earliest event time of the following node

Read More Earliest finish of an activity is always_______________?

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