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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.
Which of the following statement concern sexual orientation is true/ 1.sexual orientation is protected by the eeoc/ 2.attitude toward gays a in the workplace are not changing signi
Consider a production system that consists of a single station with a production rate of 1 part per minute and a process variability given by Ce=1.
explain approaches for handling customer complaints and listening to customers
Evaluate: Evaluate the information security issues facing the government and identify its three biggest concerns. Application: Demonstrate how the government can use authentication
Which of the following industries is most likely to use database marketing? a. A supermarket chain b. A school system c. A local restaurant d. A p
Scope of Production and Operation Management Production management mainly associated with the factory management as the problem of production crept with the development of facto
Discuss possible ways that a company could benefit from making customers more aware of environmental laws. Provide specific examples to support your rationale. Based on what you
What are come strategic initiatives that Sigma could pursue to prolong its growth naming the product lifecycle and how Sigma will need to recognize the stage of the lifecycle?
OPERATIONS AND PRODUCTION MANAGEMENT Production and operation management (POM) is defined as the design operation, and enhancement of the transformation process which converts
The Lady with the Plan needs to make campaign T-shirt to fund raise. She is trying to decide how many to make for the coming political campaign. During the campaign itself, which
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