February 23, 2020

France Twines Racial Ideologies and Racial Methodologies from Racing Research

Project description This paper should provide an overview of central arguments of the readings below, its contribution to ongoing course themes such as Race, Research and […]
February 23, 2020

Do you have a Living Will, Advance Health Care Directive, or a Health Care Proxy? What factors or conditions contributed to the decision about having or not having this document?

In this module, there are two related discussions about life expectancy and the need to think ahead and plan ahead. Average life expectancy in the US is approximately 78 years and it is continuing to rise. Many demographers anticipate that it will top out around 88 years for females and 82 years for males. Some researchers believe that the average life expectancy could reach 100 in the next few decades with 110 and 120 possible with revolutionary advances in health and medicine (Weiss & Lonnquist, 2012). As you work through this discussion, think about the aging population in aggregate form moving through this latter phase of life. Before you begin, be sure to complete the readings and all learning activities. Then, complete Discussion 1 first followed by Discussion 2. It is important to complete the activities in that order. Interview an individual over the age of 65. Follow the Life Expectancy and Social Planning Interview Script Be sure to stay ‘on-script’ so that responses are fairly standardized and able to be reviewed for patterns and trends. The best way to do this is to print out the script and explain that you will read the introduction and questions to be sure directions are clear and each health care area is addressed. After you complete the interview, be sure to summarize your interview and post it in M3D1. After you have conducted your interview, summarize you’re the answers you received to each of the interview questions. Then, read through the interview summaries that other students have posted and respond based on the following: the similarities and differences between the individual you interviewed and the individual interviewed by your classmate. The Script: Thank you for agreeing to talk to me today about aging over the years. To begin, I would like you to think about your life as it was twenty to twenty-five years ago and then compare it to your life today. I will ask you to share your personal experience and thoughts about changes in society related to health and health care. I may need to take a few notes while we talk. When we are finished, I will compile all information for a discussion we are having in our medical sociology class. The information will be shared as group data, only; I will not disclose your name or link any information to you, personally. If for any reason you prefer not to answer a question, it is quite fine. Do you have any questions or concerns before we start? The Questions: • How has your health changed over the last twenty to twenty-five years? • How has access to health care changed? By that, I mean, what were your healthcare needs twenty years ago and how did you meet them; and, what are your health care needs today and how do you meet them? • Who have you received healthcare from over the years—physicians, nurse practitioners, folk healers, others? • Do you have a Living Will, Advance Health Care Directive, or a Health Care Proxy? What factors or conditions contributed to the decision about having or not having this document? • What about medications? Have they changed over time? • Has your health insurance coverage changed? If so, in what way? • Is there anyone, family or friend who will provide care if you need it? • Do you have long-term health care insurance that covers home-care, assisted living, or skilled nursing care? If so, when did you get it? What factors or circumstances contributed to the decision to have or not have long-term care health insurance? • How about the disclosure of health information? By that I mean, what you have experienced about disclosing or not-disclosing medical information. Has it changed over the years? If so, how has it changed and what do you think is driving the change? • Are you using any resources within your community, such as a senior center? Why/why not? Do you think you will in the future?
February 23, 2020

How many benches and tables should Outdoor Furniture produce to obtain the largest possible profit? Use the graphical LP approach.

LINEAR PROGRAMMING FORMULATION PROBLEMS AND SOLUTIONS 7-14 The Electrocomp Corporation manufactures two electrical products: air conditioners and large fans. The assembly process for each is similar in that both require a certain amount of wiring and drilling. Each air conditioner takes 3 hours of wiring and 2 hours of drilling. Each fan must go through 2 hours of wiring and 1 hour of drilling. During the next production period, 240 hours of wiring time are available and up to 140 hours of drilling time maybe used. Each air conditioner sold yields a profit of $25. Each fan assembled may be sold for a $15 profit. Formulate and solve this LP production mix situation to find the best combination of air conditioners and fans that yields the highest profit. Use the corner point graphical approach. 7-15 Electrocomp’s management realizes that it forgot to include two critical constraints (see Problem 7-14). In particular, management decides that to ensure an adequate supply of air conditioners for a contract, at least 20 air conditioners should be manufactured. Because Electrocomp incurred an oversupply of fans in the preceding period, management also insists that no more than 80 fans be produced during this production period. Resolve this product mix problem to find the new optimal solution. 7-16 A candidate for mayor in a small town has allocated $40,000 for last-minute advertising in the days preceding the election. Two types of ads will be used: radio and television. Each radio ad costs $200 and reaches an estimated 3,000 people. Each television ad costs $500 and reaches an estimated 7,000 people. In planning the advertising campaign, the campaign manager would like to reach as many people as possible, but she has stipulated that at least 10 ads of each type must be used. Also, the number of radio ads must be at least as great as the number of television ads. How many ads of each type should be used? How many people will this reach? 7-17 The Outdoor Furniture Corporation manufactures two products, benches and picnic tables, for use in yards and parks. The firm has two main resources: its carpenters (labor force) and a supply of redwood for use in the furniture. During the next production cycle, 1,200 hours of labor are available under a union agreement. The firm also has a stock of 3500 feet of good-quality redwood. Each bench that Outdoor Furniture produces requires 4 labor hours and 10 feet of redwood; each picnic table takes 6 labor hours and 35 feet of redwood. Completed benches will yield a profit of $9 each, and tables will result in a profit of $20 each. How many benches and tables should Outdoor Furniture produce to obtain the largest possible profit? Use the graphical LP approach. 7-18 The dean of the Western College of Business must plan the school’s course offerings for the fall semester. Student demands make it necessary to offer at least 30 undergraduate and 20 graduate courses in the term. Faculty contracts also dictate that at least 60 courses be offered in total. Each undergraduate course taught costs the college an average of $2,500 in faculty wages, and each graduate course costs $3,000. How many undergraduate and graduate courses should be taught in the fall so that total faculty salaries are kept to a minimum? 7-19 MSA Computer Corporation manufactures two models of minicomputers, the Alpha 4 and the Beta 5. The firm employs five technicians, working 160 hours each per month, on its assembly line. Management insists that full employment (i.e., all 160 hours of time) be maintained for each worker during next month’s operations. It requires 20 labor hours to assemble each Alpha 4 computer and 25 labor hours to assemble each Beta 5 model. MSA wants to see at least 10 Alpha 4s and at least 15 Beta 5s produced during the production period. Alpha 4s generate $1,200 profit per unit, and Beta 5s yield $1,800 each. Determine the most profitable number of each model of minicomputer to produce during the coming month. 7-20 A winner of the Texas Lotto has decided to invest $50,000 per year in the stock market. Under consideration are stocks for a petrochemical firm and a public utility. Although a long-range goal is to get the highest possible return, some consideration is given to the risk involved with the stocks. A risk index on a scale of 1–10 (with 10 being the most risky) is assigned to each of the two stocks. The total risk of the portfolio is found by multiplying the risk of each stock by the dollars invested in that stock. The following table provides a summary of the return and risk: Stock Estimated Return Risk Index Petrochemical 12% 9 Utility 6% 4 The investor would like to maximize the return on the investment, but the average risk index of the investment should not be higher than 6. How much should be invested in each stock? What is the average risk for this investment? What is the estimated return for this investment? 7-21 Referring to the Texas Lotto situation in Problem 7-20, suppose the investor has changed his attitude about the investment and wishes to give greater emphasis to the risk of the investment. Now the investor wishes to minimize the risk of the investment as long as a return of at least 8% is generated. Formulate this as an LP problem and find the optimal solution. How much should be invested in each stock? What is the average risk for this investment? What is the estimated return for this investment? 7-24 The stock brokerage firm of Blank, Leibowitz, and Weinberger has analyzed and recommended two stocks to an investors’ club of college professors. The professors were interested in factors such as short term growth, intermediate growth, and dividend rates. These data on each stock are as follows: Stock Factor Louisiana Gas and Power Trimex Insulation Company Short term growth potential, per dollar invested .36 .24 Intermediate growth potential (over next three years), per dollar invested 1.67 1.5 Dividend rate potential 4% 8% Each member of the club has an investment goal of (1) an appreciation of no less than $720 in the short term, (2) an appreciation of at least $5,000 in the next three years, and (3) a dividend income of at least $200 per year. What is the smallest investment that a professor can make to meet these three goals? 7-25 Woofer Pet Foods produces a low-calorie dog food for overweight dogs. This product is made from beef products and grain. Each pound of beef costs $0.90, and each pound of grain costs $0.60. A pound of the dog food must contain at least 9 units of Vitamin 1 and 10 units of Vitamin 2. A pound of beef contains 10 units of Vitamin 1 and 12 units of Vitamin 2. A pound of grain contains 6 units of Vitamin 1 and 9 units of Vitamin 2. Formulate this as an LP problem to minimize the cost of the dog food. How many pounds of beef and grain should be included in each pound of dog food? What is the cost and vitamin content of the final product? SOLUTIONS TO SELECT PROBLEMS FROM CHAPTER 8 8-1 (Production problem) Winkler Furniture manufactures two different types of china cabinets: a French Provincial model and a Danish Modern model. Each cabinet produced must go through three departments: carpentry, painting, and finishing. The table below contains all relevant information concerning production times per cabinet produced and production capacities for each operation per day, along with net revenue per unit produced. The firm has a contract with an Indiana distributor to produce a minimum of 300 of each cabinet per week (or 60 cabinets per day). Owner Bob Winkler would like to determine a product mix to maximize his daily revenue. (a) Formulate as an LP problem. (b) Solve using an LP software program or spreadsheet. Cabinet Style Carpentry (Hours/Cabinet) Painting (Hours/Cabinet) Finishing (Hours/Cabinet) Net Revenue per Cabinet ($) French Provincial 3 1.5 .75 28 Danish Modern 2 1 .75 25 Dept. capacity (hrs) 360 200 125 8-2 (Investment decision problem) The Heinlein and Krarnpf Brokerage firm has just been instructed by one of its clients to invest $250,000 for her money obtained recently through the sale of land holdings in Ohio. The client has a good deal of trust in the investment house, but she also has her own ideas about the distribution of the funds being invested. In particular, she requests that the firm select whatever stocks and bonds they believe are well rated, but within the following guidelines: (a) Municipal bonds should constitute at least 20% of the investment. (b) At least 40% of the funds should be placed in a combination of electronic firms, aerospace firms, and drug manufacturers. (c) No more than 50% of the amount invested in municipal bonds should be placed in a high-risk, high-yield nursing home stock. Subject to these restraints, the client’s goal is to maximize projected return on investments. The analysts at Heinlein and Krampf, aware of these guidelines, prepare a list of high-quality stocks and bonds and their corresponding rates of return. Investment Projected Rate of Return (%) Los Angeles municipal bonds 5.3 Thompson Electronics, Inc. 6.8 United Aerospace Corp. 4.9 Palmer Drugs 8.4 Happy Days Nursing Homes 11.8 (a) Formulate this portfolio selection problem using LP. (b) Solve this problem. 8-3 (Restaurant work scheduling problem). The famous Y. S. Chang Restaurant is open 24 hours a day. Waiters and busboys report for duty at 3AM., 7 AM., 11 AM., 3 P.M., 7 P.M., or 11 P.M., and each works an 8-hour shift. The following table shows the minimum number of workers needed during the six periods into which the day is divided. Chang’s scheduling problem is to determine how many waiters and busboys should report for work at the start of each time period to minimize the total staff required for one day’s operation. (Hint: Let Xi equal the number of waiters and busboys beginning work in time period i, where i = 1, 2,3,4,5,6.) Period Time Number of Waiters and Busboys Required 1 3 A.M–7 A.M. 3 2 7 A.M–11 A.M. 12 3 11 A.M–3 P.M. 16 4 3 P.M–7 P.M. 9 5 7 P.M–11 P.M. 11 6 11 P.M–3 A.M. 4 8-4 (Animal feed mix problem) The Battery Park Stable feeds and houses the horses used to pull tourist-filled carriages through the streets of Charleston’s historic waterfront area. The stable owner, an ex-racehorse trainer, recognizes the need to set a nutritional diet for the horses in his care. At the same time, he would like to keep the overall daily cost of feed to a minimum. The feed mixes available for the horses’ diet are an oat product, a highly enriched grain, and a mineral product. Each of these mixes contains a certain amount of five ingredients needed daily to keep the average horse healthy. The table below shows these minimum requirements, units of each ingredient per pound of feed mix, and costs for the three mixes. In addition, the stable owner is aware that an overfed horse is a sluggish worker. Consequently, he determines that 6 pounds of feed per day are the most that any horse needs to function properly. Formulate this problem and solve for the optimal daily mix of the three feeds.
February 23, 2020

Determine the level and quality of the evidence using a scale

Topic: Critiquing research articles Order Description Critique the articles send as attachment according to framework given below. Framework for How to Read and Critique a Research […]
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