A Contractor's Project Being Analyzed by PERT Has an Estimated

question 77

Multiple Choice

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 variances along the critical path is 64. What is the probability that the project will take 130 or more days to complete?

• A) 0.10565
• B) 0.13350
• C) 0.85120
• D) 0.89435
• E) 1.29

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