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Question: 1. The incredible shrinking $50 bill in 1957 was worth $50, but in 2007 it is worth only $6.58. (8.2)
a. What was the compounded average annual inflation rate (loss of purchasing power) during this period of time?
b. Fifty dollars invested in the stock market in 1957 was worth $1,952 in 2007. In view of your answer to Part (a), what was the annual real interest rate earned on this investment?
2. Suppose the cost of electricity is expected to increase at the rate of 6% per year. How will this new information change your recommendation? Use the original eight-year study period in your analysis.
Suppose that you invest $200 per month (before taxes) for 30 years (360 payments) and the annual interest rate (APR) is 8%, compounded monthly.
Based on experience with the current coffee makers, your best guess for the population standard deviation, sigma, is 1.2 cups. How big of a sample do you need? Calculate the estimated sample size needed for the above scenario and communicate your ..
Determine a sampling plan for Spire CDs that results in a = 05, ß = 05, AQL = .10, and LTPD = .30. Discuss the advantages and the disadvantages of the plan.
The dog sells at $47.5, lion at $60, and giraffe at $75. The company has 1500 yards of red, 2000 yards of blue and 200 yards of yellow cloth, while 50,000 kg of cotton is available. Develop and solve a linear optimization model to determine the op..
Given the following primal problem, where is a symmetric positive semidefinite matrix, derive the dual problem.
Use the ERR method with ? = 8% per year to solve for a unique rate of return for the following cash- flow diagram.
After Susan Wong graduated from State University with a degree in Operations Research, she went to work for a computer systems development firm in the Washington, D.C., area.
Find the equation of the tangent plane to the surface and find all critical points of the function - calculate the double integral by transferring to polar coordinates
COSC 750- Compute the area under the function given above by integration. Compare the areas obtained by method a) and b). If there is a discrepancy, explain the results.
Design the formwork for a wall 8 ft (2.44 m) high to be poured at the rate of 5 ft/h (1.53 m/h) at a temperature of 77° F (25° C).
Problem: For each of the circuits shown below, find the output voltage. Draw the waveform and show all voltage values. All diodes are silicon with a voltage drop of 0.7 volts unless otherwise stated.
Today the average undergraduate student is responsible for paying off a $3,500 balance on his/her credit card. Suppose the monthly interest rate is 1.75%.
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