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A Project Has 3 Independent Stages That Must Be Completed

Question 100

Multiple Choice

A project has 3 independent stages that must be completed in sequence.The time to complete each stage is a random variable.The standard deviations of the completion times for the stages are σ1 = 8,σ2 = 10,σ3 = 18.The standard deviation of the overall project completion time is


A) 12.00
B) 36.00
C) 22.09
D) 25.24

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