Estimated time T, and variance of the activities 'V on the critical path in a PERT new work are given in the following table: Activity \[{{\mathbf{T}}_{\mathbf{e}}}\] (days) V \[{{\left( \mathbf{days} \right)}^{\mathbf{2}}}\] a 17 4 b 15 4 c 8 1 The probability of completing the project in 43 days is:

Estimated time T, and variance of the activities 'V on the critical pa

1.	Estimated time T, and variance of the activities 'V on the critical path in a PERT new work are given in the following table: Activity \[{{\mathbf{T}}_{\mathbf{e}}}\] (days) V \[{{\left( \mathbf{days} \right)}^{\mathbf{2}}}\] a 17 4 b 15 4 c 8 1 The probability of completing the project in 43 days is:
A.	15.6%
B.	0.5
C.	81.4%
D.	0.9
Answer» D. 0.9

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