Civil Engineering MCQAE Level Civil Engineering
If an activity has optimistic, most-likely and pessimistic times of 2, 3 and 7 respectively, the expected time and variance are
Strength of MaterialsStrength of MaterialsMEDIUM
Choose the correct answer
A
3.5 and 5/6
B
5 and 25/36
C
5 and 5/6
D
3.5 and 25/36
Correct Answer
D. 3.5 and 25/36
Why is this the answer?
PERT expected time =3.5 and variance=(5/6)^2=25/36.
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This MCQ belongs to WBPSC AE Previous Years Questions Series. Full tests include timed attempts, rank comparison and subject-wise analysis.