A microwave manufacturing company has just switched to a new automated production system. Unfortunately, the new machinery has been frequently failing and requiring repairs and service. The company has been able to provide its customers with a completion time of 6 days or less. To analyze whether the completion time has increased, the production manager took a sample of 36 jobs and found that the sample mean completion time was 6.5 days with a sample standard deviation of 1.5 days. a) At a significance level of 0.10, test whether the completion time has increased. b) Find and interpret a 99% confidence interval for the mean completion time.
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Business, 21.06.2019 17:10
All else being equal, which is true about a firm with high operating leverage relative to a firm with low operating leverage? select one: a. a higher percentage of the high operating leverage firm's costs are fixed. b. the high operating leverage firm is exposed to less risk. c. the debt payments limit the high operating leverage firm's opportunities to turn a big profit. d. the high operating leverage firm has more debt.
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Business, 22.06.2019 10:30
Describe three scenarios in which you might utilize mathematics to investigate a crime scene, accident scene, or to make decisions involving police practice. be sure to explain how math is used in police as they work through each scenario.
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Business, 22.06.2019 14:20
Your uncle borrows $53,000 from the bank at 11 percent interest over the nine-year life of the loan. use appendix d for an approximate answer but calculate your final answer using the formula and financial calculator methods. what equal annual payments must be made to discharge the loan, plus pay the bank its required rate of interest
Answers: 1
Business, 22.06.2019 14:30
The face of a company is often that of the lowest paid employees who meet the customers. select one: true false
Answers: 1
A microwave manufacturing company has just switched to a new automated production system. Unfortunat...
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