Question: A projects critical path has five tasks (A through E) with standard deviations are as follows: A: 1, B: 2, C: 3, D: 1, E:1.

A projects critical path has five tasks (A through E) with standard deviations are as follows: A: 1, B: 2, C: 3, D: 1, E:1. What is the standard deviation of the critical paths length

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