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The table below presents a project that needs to be scheduled using PERT. Activity Immediate Predecessor(s) Times (Days) a m b A None 1 3 5 B A 1 2 3 C A 1 2 3 D A 2 4 6 E B 3 4 11 F C, D 3 4 5 G E, F 1 4 6 (a) Draw the network. Only nodes and directed arrows are required in the network for full credit. Hint: Add a dummy start node with 0 activity time. (b) Calculate the expected activity time and the variance of activity time for each activity. (c) List all the paths in the network and determine the expected completion time of each path. (d) Which path is the critical path? And why? (e) What is the expected project completion time? (f) What is the variance of the project completion time? Please provide at least one step of calculation and the correct answer for full credit. (g) What is the probability of completing the project within 14 days? Please provide the formula for calculating the z value, the correct z value, at least one step of calculation, and the correct probability for full credit.
what types of personnel security efforts does your employer use to enhance security at your organization?
Why was the grit scale used to predict achievement among cadets at West Point and at the final round of the Scripps National Spelling Bee? These are situations that show. Organizational change and innovation are only prompted by external forces such ..
Hospitals, outpatient centers, and free standing surgical centers are dependent on many funding sources to pay for their services. Compare and contrast approval/payment from the Patient Protection and Affordable Care Act (PPACA), commercial insurance..
Write a true story of a time in which you demonstrated or lived according to one of your top ten values.
Discuss an experience of dynamic complexity that you've experienced at work. Describe the situation and the solution that was implemented. Discuss the interrelationships between the major parts of this system. Describe the unintended consequences pro..
Jack recently attended a one day instructor-led class that concluded with a written assessment. Throughout the day each lesson was reviewed, focusing on the main points presented during that particular lesson. Speculate on why there was a disconnect ..
If a business was looking to purchase a new copier system, what people may be involved in the buying center of the business? Why? Hint: Think of all the people within the business who would use the copier.
customer satisfaction ratings have been slipping over the past several quarters?
Identify two potential solutions. Summarize the methods the team used to develop creative solutions.
What are some of the ethical considerations when promoting a healthcare product or service to the consuming community?
a. Show the productivity change, in loaves per dollar, with an increase in labor cost (from 640 to 800 hours). b. Show the productivity change with only an increase in investment ($100 per month more). c. Show the percent productivity change for l..
It is known that Cocoa bean prices respond with the market dynamics of a commodity (Sugar, Beef, Coffee, etc.); prices are determined by supply and demand. Given that barriers to entry in the cocoa market are low it often leads to oversupply or price..
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