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The standard deviation of monthly changes in the spot price of live cattle is (in cents per pound) 1.2. The standard deviation of monthly changes in the futures price of live cattle for the closest contract is 1.4. The correlation between the futures price changes and the spot price changes is 0.7. It is now October 15. A beef producer is committed to purchasing 200,000 pounds of live cattle on November 15. The producer wants to use the December live-cattle futures contracts to hedge its risk. Each contract is for the delivery of 40,000 pounds of cattle. What strategy should the beef producer follow?
What is your best estimate of the true value of the angle? Give your answer to 1 decimal place of a second.
A typical paper clip weighs 0.59 gram and consists of BCC Iron. The density of iron is 7.87 gram/cm3 and its atomic radius is 0.124 nm.
You have taken a job at a metal plating plant, and some of the metals you work with contain arsenic as an impurity. The heated metals give off arsenic vapors, which create an average concentration of arsenic of 0.00002 mg/m3 in the air in the workpla..
Assuming the process is reversible and adiabatic, what are the exit pressure and temperature of the air?
A 50-ohm electrical resistor carries a current of 5 amperes. The resistor is maintained at a temperature of 30o C. Determine the rate at which heat must be transferred to the surroundings
Find the time taken by each object to reach the ground.
average flow rate = .0022 m^3 /s (190 m^3 /d) Influent Substrate concentration = 250 mg/L as COD (all essentially soluble) Mean cell residence time is to be 5 days Volume of mix tank = 25 m^3 the reactors kenetic constants are
If an 18.9 L (5 gallon) bucket of PCE is released (and equally distributed) into a 3.79x10^8 L (100,000,000-gallon) aquifer, will the PCE standard of 5 microgram/L under the Safe Drinking Water Act be exceeded
A person with a mass of 200kg wearing snow skis is gliding down a long slope at an angle of 20 degrees. Each ski is 200cm long and 5 cm wide. The pressure of the skis on the snow melts a thin layer of water so that a .1mm layer of water exists under ..
What is the ratio of the magnitude of E2 to the magnitude of E1? You may neglect the effects of gravity on the proton.
The upstream velocity is 6.5 m/s. Estimate the drag force and the lift force acting on the plate. Indicate clearly the sign convention. You may have to draw more streamline and equipotentials to obtain a good accuracy
A 2500-lb car (CD = 0.35, Af = 25 ft^2, and ? = 0.002378 slugs/ft^3) has 14-inch-radius wheels, a drivetrain efficiency of 90%, an overall gear reduction ratio of 3.2 to 1, and drive axle slippage of 3.5%.
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