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 20:20, allysongonzalezlove0
while setting up his new office, an attorney ordered thick, frieze carpets for the floor. however, the building inspector had him remove the expensive carpeting. the building inspector stated that according to federal regulations, the office must be wheelchair accessible as it is a public area. he further explained that since wheelchairs do not maneuver well in thick, frieze carpeting, the carpets had to be removed and be replaced with smooth-textured carpets that do not restrict wheelchair maneuverability. this scenario illustrates how a company is influenced by the component of its specific environment.
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Business, 22.06.2019 08:30, Maelynne8515
In risk management, what does risk control include? a. risk identification b. risk analysis c. risk prioritization d. risk management planning e. risk elimination need this answer now : (
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Business, 22.06.2019 12:30, imamnaab5710
Consider a treasury bill with a rate of return of 5% and the following risky securities: security a: e(r) = .15; variance = .0400 security b: e(r) = .10; variance = .0225 security c: e(r) = .12; variance = .1000 security d: e(r) = .13; variance = .0625 the investor must develop a complete portfolio by combining the risk-free asset with one of the securities mentioned above. the security the investor should choose as part of her complete portfolio to achieve the best cal would be a. security a b. security b c. security c d. security d
Answers: 3
A microwave manufacturing company has just switched to a new automated production system. Unfortunat...
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