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In the PlastiPharm clean room, where production of the medical device bags occurs, one of the floor technicians questioned a step in the process and suggested another approach that she said would shave off some production time. The shift supervisor organized a process review with all personnel involved and reviewed the process map. Which of the following statements best explains why expending so much effort was worthwhile?

  • Reviewing the process gave everyone a chance to understand the process better, ask questions, and share ideas for improvement.
  • Taking time to review the process map allowed the shift supervisor to observe which employees were most engaged and identify those with the most potential for advancement.
  • Working together to review the process was an expensive venture, but the employees were able to identify problems with the equipment and operators
  • Spending time together allows people to get to know one another and improved the work culture, an important aspect of continuous improvement.
 
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Base Stock Models Jet WithUs, a private jet charter provider, keeps critical spare parts for maintenance of its aircraft fleet at various airports. There is a particular part that they are concerned about because it is expensive ($10,000) but critical for the safe operation of the aircraft. The demand for this part is low, just 12 per year, and quite variable (can be assumed to be Poisson). The part is ordered from a supplier that delivers the part at no additional cost with a lead time of one month. d) What type of inventory model would be the most suitable here and why? c) Compute and describe the optimal inventory policy if management wants to guarantee a desired fill rate of 99%. What are the associated average backorders and inventory in the system? 1) Is 99% the correct fill rate in this case? The inventory carrying rate is estimated to be of 25%. The cost associated with having the aircraft down for a day is estimated to be $1000. What should the “optimal” fill rate and associated inventory policy be? What would be the solution if you approximated the demand distribution by a normal with mean 0 and standard deviation ?

 
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Make a business process reengineering diagram and customer relationhsip management diagram about arteza

strategic initiative of Business Process Reengineering, along with more details about business processes. One of the tools used in Business Process Reengineering is Business Process Modeling and Notation (BPMN) which is detailed in the Plug-In B2 Business Process BPMN is an important tool to utilize to design business processes. Select 2 critical processes to model for the start-up business selected earlier. Provide enough detail to show the flow of interactions within the process. Plug-In B2 has examples of these models. You may use any of the following diagramming resources. Draw.io is a free tool. For Draw.io, export the diagram as a pdf. Be sure to label the events, activities, gateways and flows coming from the gateways. BPR Diagramming Resources n Man… • Microsoft Visio • Microsoft PowerPoint Edraw (Links to an external site.) • Smartdraw (Links to an external site) • Draw.jo (Links to an external site.)

 
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Using the 911 call data in Problem 4.31, forecast calls for weeks 2 through 25 with a trend-adjusted exponential smoothing model. Assume an initial forecast for 50 calls for week 1 and an initial trend of zero. Use smoothing constants of  = .3 and = .2. Is this model better than that of Problem 4.31? What adjustment might be useful for further improvement? (Again, assume that actual calls in week 25 were 85.)

Emergency calls to the 911 system of Durham, North Carolina, for the past 24 weeks are shown in the following table:

a) Compute the exponentially smoothed forecast of calls for each week. Assume an initial forecast of 50 calls in the first week, and use a = .2. What is the forecast for week 25?

b) Reforecast each period using a = .6.

c) Actual calls during week 25 were 85. Which smoothing constant provides a superior forecast? Explain and justify the measure of error you used.

 
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