Civil Engineering - UPSC Civil Service Exam Questions - Discussion
Discussion Forum : UPSC Civil Service Exam Questions - Section 1 (Q.No. 30)
30.
In a PERT network, the activity durations are given as to (optimistic), tp (pessimistic) and tm (most likely time). What is the variance of is activity ?
None of the above
Discussion:
14 comments Page 1 of 2.
Jainu said:
6 years ago
The right answer is C.
Option B is for the standard deviation.
Option A is for the expected time.
Option B is for the standard deviation.
Option A is for the expected time.
Rohit pal said:
6 years ago
Yes, the correct Answer is C.
Sanathkumar said:
7 years ago
I think option C is the answer.
OMER said:
7 years ago
I think the correct Answer is C.
Pawan said:
7 years ago
C is the correct option.
Anil Kumar said:
7 years ago
The Right answer is C.
Option B is right for Standard deviation.
Option B is right for Standard deviation.
Dev C said:
7 years ago
Yes, the answer is C. Because B is the standard deviation. And we know Standard deviation equals to the square root of the variance.
Mike Edrad said:
8 years ago
I think the Correct answer is C.
Puni said:
8 years ago
Answer is C.
Raviteja said:
8 years ago
Answer is C.
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