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UK Motors, the largest manufacturer of automobiles in the United Kingdom, has been famous for building reciprocating automobile engines that produce minimal noxious emissions. These so-called clean engines have generated numerous awards for the use of technology in cleaning up the environment for the United Kingdom. A supporter of automobile racing of all types, the company has long supplied engines built specifically for racing, in particular for NASCAR, Formula 1, and Indy car competitions. This year, engineers at UK Motors have produced a racing engine that because of the removal of emission protection elements costs 46% less than the old engine. Mass production of the new engine for installation in the automobiles made for the consumer market will save UK Motors nearly a thousand dollars per unit in manufacturing costs. Some members of the management team at UK Motors motivated solely by profit potential want the "new" engine produced and sold immediately. Based on data that constitutes verifiable past performance, it is estimated that in the current sales year, the new engine would be sold in over 3 million vehicles, all of which would reach the market at a substantially low production cost to the company. Other company stakeholders take the opposite view and argue that the company would be acting dishonestly by selling the highly profitable "new" engine without revealing how much pollution these engines will be producing. This group of company stakeholders is concerned about ethics and deceptive sales practices and opposes any sale of the so-called new engine.
How the new project development affects the key stakeholders? Which group of stakeholders should prevail: The one that wants to sell the engine now (those motivated solely by profit), or the one concerned about ethics, honesty, and company reputation? Why?
the weights of a random sample of 10 firs ants was the following in milligrams1.2 3.1 3.9 2.3 3.4 8.0 4.8 3.9
Customers arrive at a queue according to a Poisson process with an average arrival rate of 4 per hour. (a) Find the probability of exactly three arrivals in 1 hour. (b) Find the probability of at least three arrivals in 2 hours.
Repeat construction of the optimal ?lter from Example 7.3.1 in the case when the useful signal Y (t)has a more general power spectrum a SY (f ) = b2 + f 2 , and the uncorrelated white noise N(t) has arbitrary power spectrum SN (f ) ≡ N .
what results in your departments seem to be correlated or related to other activities? how could you verify this?
Test the hypothesis that the proportion of all student cell phone users in the United States who own a smartphone is 35%. Use the 5% level of significance and report your results.
At the 0.05 level of significance, is there evidence that the average purchase is different from 10 liters? At the 0.05 level of significance, is there evidence that less than 20% of the motorists purchase super unleaded gasoline?
The number of breakdowns is dependent on the shift, because the test value 11.649 is less than the critical value of 12.592.
There're several advantages of using a paired t-test. Since the same subjects are being tested in each of the varying conditions, those subjects serve as their own control.
explain the difference between sampling with and without replacement. what does sampling without replacement mean about
The average chain length of a polymer produced in a batch reactor is given as 200 units, where chain length itself is known to be a geometric random variable. What fraction of the polymer product is expected to have chains longer than 200 unit..
The life expectancy of computer terminals is normally distributed with a mean of 4 years and a standard deviation of 10 months. What is the probability that a randomly selected terminal will last more than 5 years?
Victor Anderson, the owner of Anderson Belts, Inc., is studying absenteeism among his employees. His workforce is small, consisting of only five employees.
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