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Question: A panel of economists provided forecasts of the U.S. economy for the first six months of 2007 (The Wall Street Journal, January 2, 2007). The percent changes in the gross domestic product (GDP) forecasted by 30 economists are as follows.
a. What is the minimum forecast for the percent change in the GDP? What is the maximum?
b. Compute the mean, median, and mode.
c. Compute the first and third quartiles.
d. Did the economists provide an optimistic or pessimistic outlook for the U.S. economy? Discuss.
Compute the capacity of a 3 x 3 MIMO system in which the channel matrix is.
In a certain chain reaction, occuring in discrete time, at each step a particle will produce either 0, 2 or 3 new particles, with equal probabilities independently of all the other particles. Beginning with one particle, what is the probability th..
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Consider the following network flow problem: Numbers shown above the nodes are supplies (negative values represent demands) and numbers shown above the arcs.
A three-phase, 60 Hz, 8 pole, 40 MVA, 14 kV synchronous generator has negligible armature resistance. Test data for the generator is presented graphically below, and curve fit expressions for occ and scc have been provided. The rotational losses o..
Find two rational numbers with denominators 9 and 15, respectively, whose sum is equal to 10/225 or explain why it is not possible to do so.
Suppose that we have two everts. A and B, with P(A) = 50. P(B) = .60, and P(A ? B) = .40.
The American Pharmaceutical Company (APC) has a policy that all capital investments must have a four-year or less discounted payback period in order.
The components in the duct are cooled by forced air that enters the duct at 30°C and 1 atm at a rate of 0.6 m3/min and leaves at 40°C. Determine the rate of heat transfer from the outer surfaces of the duct to the ambient.
Explain why the equations describe a mutualistic interaction. Determine the qualitative behavior of this model by phase-plane and linearization methods. Why is it necessary to assume that αβ
Your company has purchased a large new truck tractor for over-the-road use (asset class 00.26). It has a cost basis of $180,000.
Studies have concluded that a college degree is a very good investment. Suppose that a college graduate earns about 75% more money per hour than a highschool.
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