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A laboratory periodically conducts a review of its test results to verify their accuracy. Each day 100 tests are selected randomly and then re-tested using a more sophisticated but expensive procedure, and the results are documented. (Each re-test result is classified simply as accurate or inaccurate.) The table below shows re-test results for the previous 12 days. Day Sample size Number of inaccurate test results 1 100 2 2 100 1 3 100 0 4 100 3 5 100 0 6 100 0 7 100 2 8 100 1 9 100 0 10 100 2 11 100 4 12 100 3 a) Develop a control chart for proportion defective indicating the centerline, upper control limit and lower control limit. b) Is the process in control? c) Suppose on days 13 through 15 you took a random sample of 100 tests and found the following were inaccurate. Day # of Inaccurate tests results 13 3 14 2 15 6 Is the process in control?
Charles Luckey operates a bakery in Idaho Falls, Idaho. Because of its excellent product and excellent location, demand has increased by 45% in the last year. On far to many occasions, customers have not been able to purchase the bread of their choic..
Many companies implement enterprise resource planning (ERP) systems but are disappointed by the results when they do not realize the return on investment (ROI) that was projected for the system.
If 150 million workers produced America's GDP in 2010, according to the "World View" above, how much output did the average worker produce?
An air conditioning repair department manager has compiled data on the primary reason for 41 service calls for the previous week, as shown in the table. Using the data, make a check sheet for the problem types for each customer type, and then cons..
City government has collected the following data on annual sales tax collections and new car registrations over the past 6 years: Determine the least squares regression equation.
Conduct a search online for a sample Patient Information/Registration Form or an Encounter Form. Identify what aspects of the form you like and what aspects of the form you don’t like.
Explain how the 3 tools you've chosen might support improved decision making, providing examples. You must include appropriate details/examples that relate to the use of the tools.
Develop two period weighted moving average model for periods 12-15. Use weights of 0.7 and 0.3, with the most recent observation weighted the highest
How can a firm lower the chances that key managers will pursue their own interest at the expense of the stakeholders? At the expense of the employees?
What do you think are the moral and ethical issues facing Gary Anderson. If you were Gary Anderson, how would you handle the situation differently
Describe the role of the WTO in respect to global business and global economic conditions. As part of the discussion, differentiate between developed and developing country designations. Why are developing countries of particular interest in today's ..
a company has a total cost of 50.00 per unit at a volume of 100000 units. the variable cost per unit is 20.00. what
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