Question: A contractor's project being analyzed by PERT has an estimated time for the critical path of 120 days. The sum of all activity variances is

A contractor's project being analyzed by PERT has an estimated time for the critical path of 120 days. The sum of all activity variances is 81; the sum of va more days to complete? A. 1.29 OB. 0.13350 OC. 0.89435 D. 0.85120 OE. 0.10565 ath of 120 days. The sum of all activity variances is 81, the sum of variances along the critical path is 64. What is the probability that the project will take 130 or

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