Coleman Rich Control Devices, Inc., produces custom-built relay devices for auto makers. The most recent project undertaken by Rich requires 14 different activities, Rich's managers would like to determine the total project completion. time (in days) and those activities that lie along the critical path. The appropriate data are shown in the following table; Activity ABCDEFG А a 5 1 6 4 1 2 1 Time (days) m 7 b 10 7 260856 36288 12 18 9 Immediate Predecessor(s) A A B, C D D Activity H J K M N a 3882333 Time (days) m 3 6 5 10 5 2 8 b 7 9 8 12 6 50 10 Immediate Predecessor(s) E,F G, H days (round your response to two decimal places) K LM a) The expected completion time of the project = The activities that represent the project's critical path are b) If the time to complete the activities on the critical path is normally distributed, then the probability that the critical path will be finished in 53 days or less = (round your response to two decimal places) c) Using the standard normal table, the number of days that would result in 99% probability of completion = days (round your response to two decimal places)
Coleman Rich Control Devices, Inc., produces custom-built relay devices for auto makers. The most recent project undertaken by Rich requires 14 different activities, Rich's managers would like to determine the total project completion. time (in days) and those activities that lie along the critical path. The appropriate data are shown in the following table; Activity ABCDEFG А a 5 1 6 4 1 2 1 Time (days) m 7 b 10 7 260856 36288 12 18 9 Immediate Predecessor(s) A A B, C D D Activity H J K M N a 3882333 Time (days) m 3 6 5 10 5 2 8 b 7 9 8 12 6 50 10 Immediate Predecessor(s) E,F G, H days (round your response to two decimal places) K LM a) The expected completion time of the project = The activities that represent the project's critical path are b) If the time to complete the activities on the critical path is normally distributed, then the probability that the critical path will be finished in 53 days or less = (round your response to two decimal places) c) Using the standard normal table, the number of days that would result in 99% probability of completion = days (round your response to two decimal places)
Practical Management Science
6th Edition
ISBN:9781337406659
Author:WINSTON, Wayne L.
Publisher:WINSTON, Wayne L.
Chapter2: Introduction To Spreadsheet Modeling
Section: Chapter Questions
Problem 20P: Julie James is opening a lemonade stand. She believes the fixed cost per week of running the stand...
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