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1. The average lateness for one of the top airline companies is 10 minutes. The Standard Deviation of the lateness measure is calculated as 3. An airplane arrived 8.5 minutes after the stated arrival time. Calculate the Z-score of the airplanes lateness
2. Health insurers and the federal govt are both putting pressure on the hospitals to shorten average length of stay of their patients. A random sample of 20 hospitals in one state had a mean length of stay for non heart patients in 2000 of 3.8 days and a SD of 1.2 days. Calculate a 95% confidence interval for the population mean LOS for non heart patients in the states hospitals.
3. At a local manufacturing plant employees must complete new machine set ups within 30 minutes. New machine set up times can be described by a normal model with a mean of 22 minutes and a SD of four minutes. What percent of new machine set ups take more than 30 minutes?
4.A random sample of 100 European professional soccer players has an average age of 27 years and a SD of 4 years. We would like to decide if there is enough evidence to establish that average age of European soccer players is significantly more than 26 years. What is the nul hypothesi?
5. What is the sample value of the test statistic?
6. At 0.01 level of significance, what decision would you make? Include proper reason.
The following marketing phenomenon occurs when there exists within two city blocks the following hamburger outlets: McDonald's, Burger King, Sonic, and Wendys.
Give an example of ethical leadership. What are the characteristics of ethical leadership? And why do you think ethical leadership is important.
Considering Strategic Choice - Operation Strategy (Strategic analysis will be covered in Strategy - Analysis and Evaluation). The following points are an extract from Port
1) What are at least three factors that would motivate a company to set up a foreign operation? 2) What are the positive and negative impact of tariffs? Give a specific example
Develop a forecast for years 2 through 12 using exponential smoothing with ƒÑƒn= .4 and a forecast for year 1 of 6. Plot your new forecast on a graph with the actual data and the n
How does CRM help in customer service efficiency?
Provide two examples of current leaders and describe how they demonstrate their leadership characteristics. What separates these characteristics from management techniques? How eff
In the table given below the Distribution Manager is expected to service these DCs as per the demands placed. If the actual sales after completing week one is as follows, what woul
Choose a communication situation you recently experienced at your workplace or other organization you are affiliated with. Use the human communication process described on pages 10
What are the options a manager has to stimulate change? Give an example of each. What is meant by the "Calm Waters metaphor?; the "White Rapids "metaphor? What internal and externa
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