Question: 19 Edi 1. For the network shown here, calculate the following: a. Mean duration (u) b. Variance (0,?) c. Standard Deviation (0) d. Probability that

19 Edi 1. For the network shown here, calculate the following: a. Mean duration (u) b. Variance (0,?) c. Standard Deviation (0) d. Probability that the network can be completed in 50 days or less. 0 D 0 0 0 B E EST EFT Activity TE ACTIVITY TE Var A LST LFT B C D E Duration in days) OPT NORMAL PESS 12 15 20 12 15 25 20 25 30 20 30 15 20 30 10 15 25

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