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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.
Describe in detail how cultural differences may impact communication. Give examples. What can be done to improve communication across cultures?
Identify five key economic variables that could represent major opportunities or threats to a bank in your town or city. Identify which that you believe to be most important, and d
You have just been asked to lead struggling Yahoo, just as Marissa Mayer stepped into the role. Discuss the steps you would take in the first few months of your leadership. Explain
For the four basic configurations that follow, assume that the market is demanding product that must be processed by both Resource X and Resource Y for Cases I, II and III. For Cas
Definitions of Productivity 1. Productivity is the relationship between output generated by a production or service system and the input provided to create the output.
1. Construct and inerpret a control chart for the packing slip data. 2. Construct a Pareto analysis of the errors. 3. What information might a separate char
Select an organization and discuss what type of information should be protected in a BIA plan. How would you ensure protection of the confidentiality of such information and preven
Why do firms segment consumer markets?
Forward Scheduling - Scheduling Techniques Forward scheduling means assigning customers orders or job to various work centers based on the as early as possible approach. Thus
To determine the standard working time for a special job, following observation data is collected: Observation 1 2 3 4 5 6 7 8 Time (in second) 17 18 15 14 13 15 16 13 a) If the pe
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