Frustrated by the steady decline of its market share in PC industry, Dull computers is planning...

  

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Frustrated by the steady decline of its market share in PC industry, Dull computers is planning to spruce up its product line by investing heavily in a new line of laptops. Several changes were proposed to achieve its objective. To differentiate itself from its main competitor ComeBaq Computers, Dull wants to incorporate a new Li-on technology which would provide a much longer battery life. In addition, it is also planning to incorporate a new design to ensure that its laptops are sleek and is consistent with its current advertising theme "Dude, it is no longer dull". The R&D team after discussing these significant changes came up with the following activities and tasks that are required for the launch of the new product line. Careful examination of these activities also provided them the dependencies between these activities and the time required (in weeks) for each of them as captured in the following table. Activity Job Description Immediate a mb Predecessors 4 5 7 8 10 16 30 40 55 28 30 32 15 20 25 15 20 25 A Obtain initial consumer input B Design development A Battery technology development A В, С В, С D Market Testing E Prototype Development F Material Planning G Production D, F 40 H Product Launch Assume that there is no uncertainty associated with production (G) and product launch (H) tasks. 1. Construct the network diagram for the project. 2. Which is/are the critical path(s) for the project for the most likely activity times? 3. Given that ComeBaq would be launching its own new product line in 130 weeks, Dull wants to ensure that it launches its product before its rival. Conduct a PERT analysis for the project and determine the probability of meeting the deadline. Frustrated by the steady decline of its market share in PC industry, Dull computers is planning to spruce up its product line by investing heavily in a new line of laptops. Several changes were proposed to achieve its objective. To differentiate itself from its main competitor ComeBaq Computers, Dull wants to incorporate a new Li-on technology which would provide a much longer battery life. In addition, it is also planning to incorporate a new design to ensure that its laptops are sleek and is consistent with its current advertising theme "Dude, it is no longer dull". The R&D team after discussing these significant changes came up with the following activities and tasks that are required for the launch of the new product line. Careful examination of these activities also provided them the dependencies between these activities and the time required (in weeks) for each of them as captured in the following table. Activity Job Description Immediate a mb Predecessors 4 5 7 8 10 16 30 40 55 28 30 32 15 20 25 15 20 25 A Obtain initial consumer input B Design development A Battery technology development A В, С В, С D Market Testing E Prototype Development F Material Planning G Production D, F 40 H Product Launch Assume that there is no uncertainty associated with production (G) and product launch (H) tasks. 1. Construct the network diagram for the project. 2. Which is/are the critical path(s) for the project for the most likely activity times? 3. Given that ComeBaq would be launching its own new product line in 130 weeks, Dull wants to ensure that it launches its product before its rival. Conduct a PERT analysis for the project and determine the probability of meeting the deadline.

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