4. Consider the network shown in the following figure. For each activity, the three time estimates to, tm and t, are given along the arrows in the to-tm - tp order. Determine variance and expected time for each activity. 13-18-25 14-17-20 30 7-10-13 6-9-12 10) 4-7-8 9-11-12 10-14-16 12-15-18 17-20-25

4. Consider the network shown in the following figure. For each activity, the three time estimates to, tm and t, are given along the arrows in the to-tm - tp order. Determine variance and expected time for each activity. 13-18-25 14-17-20 30 7-10-13 6-9-12 10) 4-7-8 9-11-12 10-14-16 12-15-18 17-20-25

Engineering Fundamentals: An Introduction to Engineering (MindTap Course List)

5th Edition

ISBN:9781305084766

Author:Saeed Moaveni

Publisher:Saeed Moaveni

Chapter14: Computational Engineering Tools Electronic Spreadsheets

Section: Chapter Questions

Problem 28P

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Similar questions

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3. Consider a local area network with 10 stations (nodes). Assume that, at a given moment, each nodecan be active with probability ? = 0.1.(a) What is the probability that all five stations are active?(b) What is the mean number of active stations at a given moment?
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