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:

1. 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

2. For a given activity, the optimistic time, pessimistic time and the most probable estimates are 5, 17 and 8 days respectively, The expected time is__________________?

   A. 8 days
   B. 9 days
   C. 10 days
   D. 15 days

3. 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

4. The probability of completion of any activity within its expected time is_________________?

   A. 50%
   B. 84.1%
   C. 99.9%
   D. 100%

5. If the expected time for completion of a project is 10 days with a standard deviation of 2 days, the expected time of completion of the project with 99.9% probability is________________?

   A. 4 days
   B. 6 days
   C. 10 days
   D. 16 days

6. 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%

7. The original cost of an equipment is Rs.10,000/-. Its salvage value at the end of its total useful life of five years is Rs. 1,000/-. Its book value at the end of two years of its useful life (as per straight line method of evaluation of depreciation) will be________________?

   A. Rs. 8,800/-
   B. Rs. 7,600/-
   C. Rs. 6,400/-
   D. Rs. 5,000/-

8. If the scheduled completion time of a project is more than the earliest expected time for completion of the project, then the probability of completion of the project within the scheduled completion time will be__________________?

   A. 50%
   B. less than 50%
   C. more than 50%
   D. 100%

9. Whenever an activity has zero total float, then_______________?

   A. free float of the activity must be zero but independent float need not be zero
   B. independent float must be zero but free float need not be zero
   C. free float and independent float both must be zero
   D. free float and independent float both need not be zero

10. Free float for any activity is defined as the difference between__________________?

    A. its earliest finish time and earliest start time for its successor activity
    B. its latest start time and earliest start time
    C. its latest finish time and earliest start time for its successor activity
    D. its earliest finish time and latest start time for its successor activity