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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.
Create a fictional company and develop a memo to communicate the importance of a business continuity plan to the board of directors. The completed assignment should be at least 25
(b) Suppose Norwitch has worked out a new contract, accepted by all its customers, of being allowed up to one week to satisfy each demand. Norwitch still uses a 99% "fill rate" as
Jack Welch, the former CEO of General Electric of 20 years, respected business leader and writer proposes ten fundamental leadership principles (from his 2001 book 'Jack: Straight
Discuss how laws tie into business ethics. Support your ideas with research and specific examples of laws discussed in your text.
Nominal work groups and the Delphi Techniques are used as part of which risk management process? Answer Risk identification Risk assessment Risk monitoring and control
Corruption and bribery are common in some countries. Would you simply avoid locating in such a country, or locate there and deal with it? If the latter, how would you deal with it?
explain the concept and practice of corporate social responsibility (CSR).
A manufacturing firm is considering two locations for a plant to produce a new product. The two locations have fixed and variable costs as follows: Site Fixed Cost (Annual) Variabl
Define the periodic inventory control systems. Periodic (or bin) Inventory Control Systems: Stock levels are reviewed at pre-found intervals of time and an order is posit
Your firm designs PowerPoint slides for computer training classes, and you have just received a request to bid on a contract to produce the slides for an 8 session class. From prev
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