A grocery store is analyzing their sales. a sample of 40 receipts has
A grocery store is analyzing their sales. A sample of 40 receipts has an average value of $137 and standard deviation of $30.20 Use this information to test whether or not the mean in sales value at this store is different from $150? Use?= 0.1
a. State null & alternate hypotheses
b. Calculate Z test statistic
c. Determine Z critical
d. State conclusion CLEARLY with the evidence.
12. A hospital group operates 33 clinics in Indiana and Illinois. A study was conducted to estimate the difference in mean time spent per visit for men and women. Previous studies indicated that the standard deviation is 11 min, for men and 16 min. for women. A random sample of 100 men and 100 women at the two states was observed. The resulting sample means were 34.5 min. for men and 42.4 min. for women. Is the difference between men and women significant at?= 0.05
a. State null & alternate hypotheses
b. What is the degree of freedom?
c. Calculate t test statistic
d. Determine t critical
e. Is the difference in mean time between men and women significant?
13. Answer this question using the internet or other sources. You must quote the references you cited. Explain clearly the following terms in a paragraph.
(a) Random
(b) Independent
(c) Degree of Freedom
14. Solar cells are attached to a panel with a new heat resistant adhesive. The adhesive must provide 2.80 pounds of force in order to hold the cell on the panel. A random sample of 50 cells is tested and the following forces are necessary to break the adhesive.
2.65 2.76 2.82 2.89 2.95
2.67 2.77 2.83 2.90 2.95
2.68 2.77 2.84 2.90 2.97
2.68 2.77 2.84 2.91 2.98
2.70 2.78 2.84 2.92 2.98
2.70 2.78 2.85 2.92 2.99
2.73 2.79 2.88 2.93 3.00
2.74 2.80 2.88 2.93 3.01
2.75 2.81 2.88 2.93 3.02
2.75 2.82 2.89 2.94 3.03
(a) Test at the 0.01 level of significance the hypothesis that the mean adhesive strength is at least 2.80 pounds.
(b) Assuming the data follow a normal distribution, what proportion of the cells would you estimate to be out of tolerance(i.e., less than 2.80 pounds of adhesive strength)?
(c) Discuss your results from part a and b above. Is a test for the mean appropriate in this case? Why or why not?
15. A medical researcher is testing a new drug to see if it slows the growth of malignant tumors in rats. The control group of 40 rats is given none of the drug and the test group of 40 rats is given a dose every day for two weeks. At the end of the test, the following statistics were calculated.
Control Rats Test Rats
Average growth of tumor 6.2 grams 4.1 grams
Standard Deviation 3.1 grams 2.8 grams
Conduct the appropriate hypothesis test to determine if the new drug appears to slow the mean rate of tumor growth.
Fin 571 week 4 quiz help
1. Present value: Tommie Harris is considering an investment that pays 6.5 percent annually. How much must he invest today such that he will have $25,000 in seven years? (Round to the nearest dollar.)
2. PV of multiple cash flows: Jack Stuart has loaned money to his brother at an interest rate of 5.75 percent. He expects to receive $625, $650, $700, and $800 at the end of the next four years as complete repayment of the loan with interest. How much did he loan out to his brother? (Round to the nearest dollar.)
3. PV of multiple cash flows: Hassan Ali has made an investment that will pay him $11,455, $16,376, and $19,812 at the end of the next three years. His investment was to fetch him a return of 14 percent. What is the present value of these cash flows? (Round to the nearest dollar.)
4. PV of multiple cash flows: Pam Gregg is expecting cash flows of $50,000, $75,000, $125,000, and $250,000 from an inheritance over the next four years. If she can earn 11 percent on any investment that she makes, what is the present value of her inheritance? (Round to the nearest dollar.)
5. Present value of an annuity: Transit Insurance Company has made an investment in another company that will guarantee it a cash flow of $37,250 each year for the next five years. If the company uses a discount rate of 15 percent on its investments, what is the present value of this investment? (Round to the nearest dollar.)
6. Future value of an annuity: Carlos Menendez is planning to invest $3,500 every year for the next six years in an investment paying 12 percent annually. What will be the amount he will have at the end of the six years? (Round to the nearest dollar.)
7. Bond price: Briar Corp is issuing a 10-year bond with a coupon rate of 7 percent. The interest rate for similar bonds is currently 9 percent. Assuming annual payments, what is the present value of the bond? (Round to the nearest dollar.)
8. PV of dividends: Cortez, Inc., is expecting to pay out a dividend of $2.50 next year. After that it expects its dividend to grow at 7 percent for the next four years. What is the present value of dividends over the next five-year period if the required rate of return is 10 percent?
9. PV of dividends: Givens, Inc., is a fast growing technology company that paid a $1.25 dividend last week. The company’s expected growth rates over the next four years are as follows: 25 percent, 30 percent, 35 percent, and 30 percent. The company then expects to settle down to a constant-growth rate of 8 percent annually. If the required rate of return is 12 percent, what is the present value of the dividends over the fast growth phase?
Digital marketing – week 5 – assignment 1
For this assignment you will complete a Five Paragraph Essay on the following topic. Please refer to the Five Paragraph Essay Format for what is required. You will be graded on the content, grammar, spelling and format. In your own words answer the following question from the text. Be sure to use complete sentences and are able to convey your thoughts in a clear manner.
Topic: How should you effectively pitch the media?
Five Paragraph Essay Format
Introduction:
Introductory Paragraph
See, first, Writing Introductory Paragraphs for different ways of getting your reader involved in your essay. The introductory paragraph should also include the thesis statement, a kind of mini-outline for the paper: it tells the reader what the essay is about. The last sentence of this paragraph must also contain a transitional “hook” which moves the reader to the first paragraph of the body of the paper.
Body:
Body First paragraph:
The first paragraph of the body should contain the strongest argument, most significant example, cleverest illustration, or an obvious beginning point. The first sentence of this paragraph should include the “reverse hook” which ties in with the transitional hook at the end of the introductory paragraph. The topic for this paragraph should be in the first or second sentence. This topic should relate to the thesis statement in the introductory paragraph. The last sentence in this paragraph should include a transitional hook to tie into the second paragraph of the body.
Body Second paragraph:
The second paragraph of the body should contain the second strongest argument, second most significant example, second cleverest illustration, or an obvious follow up the first paragraph in the body. The first sentence of this paragraph should include the reverse hook which ties in with the transitional hook at the end of the first paragraph of the body. The topic for this paragraph should be in the first or second sentence. This topic should relate to the thesis statement in the introductory paragraph. The last sentence in this paragraph should include a transitional hook to tie into the third paragraph of the body.
Body Third paragraph:
The third paragraph of the body should contain the weakest argument, weakest example, weakest illustration, or an obvious follow up to the second paragraph in the body. The first sentence of this paragraph should include the reverse hook which ties in with the transitional hook at the end of the second paragraph. The topic for this paragraph should be in the first or second sentence. This topic should relate to the thesis statement in the introductory paragraph. The last sentence in this paragraph should include a transitional concluding hook that signals the reader that this is the final major point being made in this paper. This hook also leads into the last, or concluding, paragraph.
Conclusion:
Concluding paragraph.
#This paragraph should include the following:
an allusion to the pattern used in the introductory paragraph,
a restatement of the thesis statement, using some of the original language or language that “echoes” the original language. (The restatement, however, must not be a duplicate thesis statement.)
a summary of the three main points from the body of the paper.
GCU Research Used in Evidence Based Practices Discussion Response
Respond with a comment to the discussion question below:The theoretical foundations of qualitative and quantitative methods of research are very different. Researchers suggest that both methods should be utilized to increase validity and reliability of research studies. Quantitative and qualitative research have each been utilized in the development of many evidence based protocols utilized today. This post is written with the intention of identifying the advantages and disadvantages of utilizing both methods. Combining the strength of both forms of research in triangulation, if time and money permit, is proposed as a valuable means of discovering the truth, if researchers limit themselves to one method of enquiry, restrictions might be place on the efficacy of the quality of research in the development of nursing knowledge (Car,1994).Quantitative research is a formal, objective, rigorous, systematic process for generating numerical information about the world. Quantitative research is conducted to describe new situations, events or concepts; examine relationships among variables; and determine the effectiveness of treatments in the world (Grove, 2011). The advantages of quantitative research involve few variables and, in many cases, and employs prescribed procedures to ensure validity and reliability so research can be replicated and then analyzed and compared with similar studies (Grove,2011). Disadvantages of quantitative data analysis suggest a much narrower and sometimes superficial dataset, results are limited as they provide numerical description rather than detailed narrative and generally provide less elaborate accounts of human perception (Car, 1994).Qualitative research is a systematic, subjective approach used to describe life experiences and give them meaning. Qualitative research is not a new idea in the social or behavioral sciences. The nursing profession’s interest in qualitative research began in the late 1970s and has continued to grow since that time (Grove, 2011). The advantages of qualitative research stem from an in-depth examination of a phenomena, use of subjective data, not limited to definable variables, examine complex questions that can be impossible with quantitative methods, deal with value-laden questions, explore new areas of research, build new theories. Qualitative data provide the human aspect of esearch (Car, 1994). The disadvantage of qualitative methodology, is the possible effect of the researchers presence on the people they are studying may distort findings (Car, 1994).In conclusion combining qualitative and quantitative research are equally valuable in conducting nursing research. Both forms of research have been utilized in conducting nursing research that is accurate and transcends in the provision of research that has ultimately leads to positive patient outcomes.
NR 361 Chamberlain College of Nursing Interview With a Nurse Information Expert Discussion
Directions Download the required NR361 Interview Form (Links to an external site.)Links to an external site., which will be used to complete this assignment. You are required to complete the form using the productivity tools required by Chamberlain University, which is Microsoft Office 2013 (or later version), or Windows and Office 2011 (or later version) for MAC. You must save the file in the “.docx” format. Do NOT save as Word Pad. A later version of the productivity tool includes Office 365, which is available to Chamberlain students for FREE by downloading from the student portal at http://my.chamberlain.edu (Links to an external site.)Links to an external site.. Click on the envelope at the top of the page. Select your interviewee and schedule an interview. This individual must be a Registered Nurse. Job titles of RNs who may be considered include, but are not limited to, nursing clinical information manager, super user, director/manager clinical education, chief information officer, quality assurance or performance improvement nurse, nurse informaticist, telenursing specialist, nurse abstractor, case manager, or compliance nurse. If you have any concerns about whether the RN is suitable for this assignment, contact your instructor before you schedule the interview. Review all questions (areas of inquiry) on the Interview Form prior to conducting the interview. You may print the form and take it with you to the interview. Note that there are five required questions to ask the RN. Note that there are four optional questions. You need to select only one of these to ask the RN. Note that there are two follow-up questions you must answer. Prior to conducting your interview, review two scholarly resources. These resources should guide your understanding of the RN’s role and responsibilities or make you more knowledgeable about GIGO, interprofessional communication, or other key concepts in the questions that you may not fully understand. For example, if your interviewee is a telenurse, you would want to review information on this specialty. If you do not know what GIGO means, look it up. Conduct your interview. The length of your interview will vary but should not exceed 1 hour. Submit the completed interview form prior to the deadline outlined above. Week 6: Reading Due Sunday by 11:59pm Points None Hebda, T., Hunter, K., & Czar, P. (2019). Handbook of informatics for nurses & healthcare professionals (6st ed.). New York, NY: Pearson.Articles (required)Kai, S., & Lipschultz, A. (2015). Patient safety and healthcare technology management. Biomedical Instrumentation & Technology, 49(1), 6065. doi:10.2345/0899-820549.1.60. Retrieved from West, P., Abbott, P., & Probst, P. (2014). Alarm fatigue: A concept analysis. Online Journal of Nursing Informatics, 18(2), 1. Retrieved from Articles (suggested)Cresswell, K., Majeed, A., Bates, D., & Sheikh, A. (2013). Computerised decision support systems for healthcare professionals: An interpretative review. Journal of Innovation in Health Informatics, 20(2), 115128. doi: Teen’s death, $6 million settlement put the spotlight on alarm fatigue. (2013, June 1). Same-Day Surgery, 37(6), 6164. Retrieved from
SOC 1010 AU Social and Economic Characteristics of Los Angeles Report
Demographic Report This assignment is closely related to the final Research Paper in Week Five. Please review the instructions for that paper before beginning this assignment. For this Week Three assignment, you will present demographic data on the city, town, or county where you currently live in preparation for the Research Paper, which is due in Week Five. To do this, you will perform secondary data analysis by visiting the US Census Bureaus American FactFinder (Links to an external site.)Links to an external site.. Identify the various social and economic characteristics (i.e., education, population, housing, race, gender, age, income, etc.) of this locale and report the statistics. You can also check government websites for your state, county or city for data. Then, using the statistics you report, identify your findings of social stratification or social inequality found in this locale as highlighted in the reading in the text, Sociology: Beyond Common Sense, for Week Three. In other words, what does the data tell you about the social stratification and social inequalities found in your locale? Be sure to choose a locale that you have access to, as you will be conducting in-person observations in this locale for the Research Paper due in Week Five. If you are currently living outside of the U.S. or will have difficulties physically accessing a location in the U.S., please contact your instructor for additional instructions.Your demographic report should follow the following structure:Introduction (including the locality chosen and general socio-economic info on your locality)At least five body paragraphs presenting the social or economic characteristics and specific data for the locality (please state both numbers and percentages if available). In this section of your paper, be sure to present statistics related to education, population, race, gender, age, income (and poverty), housing, as well as any other factors you think relate to the stratification and/or inequality in your chosen locale. At least two body paragraphs describing how the statistics you report relate to social stratification and social inequality (use your text, Sociology: Beyond Common Sense as reference). In other words, think about what picture the statistics paint about the type of social hierarchies and inequalities that exist in your locale. (Hint: Think about stratification and inequalities based on race, gender, age, social class, etc. Finding statistics about education, income, housing, etc. by race/gender/age can be useful places to make these observations).Conclusion (summarize the socio-economic status of your locality based on your findings and related discussions on social stratification and social inequality )Reference page.
General Solution Calculus Mathematics Worksheet
Find the particular solution to y ‘ = sin(x) given the general solution is y = C – cos(x) and the initial condition . (5 points)-cos(x)2 – cos(x)-1 – cos(x)1 – cos(x)The slope of the tangent to a curve at any point (x, y) on the curve is . Find the equation of the curve if the point (2, -2) is on the curve. (5 points)x + y = 0x2 – y2 = -2×2 + y2 = 16×2 + y2 = 8The rate of decay in the mass, M, of a radioactive substance is given by the differential equation , where k is a positive constant. If the initial mass was 100g, then find the expression for the mass, M, at any time t. (5 points)M = e-ktM = 100 e-ktM = 100 ektM = 100ln(kt)The temperature of a pot of coffee varies according to Newton’s Law of Cooling: , where T is the temperature of the coffee, A is the room temperature, and k is a positive constant. If the water cools from 90°C to 85°C in 1 minute at a room temperature of 30°C, find the temperature, to the nearest degree Celsius of the coffee after 4 minutes. (5 points)The differential equation (5 points)I. produces a slope field with horizontal tangents at y = 2 II. produces a slope field with vertical tangents at y = -1 III. produces a slope field with columns of parallel segmentsI onlyII onlyI and IIIII onlyWhich of the following differential equations is consistent with the following slope field? (5 points)The general solution of the differential equation dy – 0.2x dx = 0 is a family of curves. These curves are all (5 points)lineshyperbolasparabolasellipsesEstimate the value of by using the Trapezoidal Rule with n = 4. (5 points)The table below gives selected values for the function f(x). With 5 rectangles, using the midpoint of each rectangle to evaluate the height of each rectangle, estimate the value of . (5 points) 0.74560.64560.69190.6932Given f(x) > 0 with f ?(x) < 0, and f ??(x) < 0 for all x in the interval [0, 1] with f(0) = 1 and f(1) = 0.3, the left, right, trapezoidal, and midpoint rule approximations were used to estimate . The estimates were 0.7915, 0.8405, 0.8410, 0.8421 and 0.8895, and the same number of subintervals were used in each case. Match the rule to its estimate. (5 points)right endpointactual areamidpointleft endpoint0.79150.84210.84050.8410
What You Learned About Economics Discussion
1) DISCUSSION QUESTION”Reflect on What You Learned About Economics”Identify your top three takeaways from the course and how youll leverage them to make good decisions.You can consider these questions as you reflect on your learning in this course:2) PEER REVIEW #1 (JANELLE) I have learned a lot in this course. Mostly I think I learned just how much everything is connected in the economy and how what you might think is a small annoying change like a rise in inflation can actually cause huge changes in the overall economy. Also, I learned about how my demand for a product as a consumer actually has a big impact on the market itself.In my professional life, I think I will pay more attention to the market that I am in. I am in a managerial position at my job and I am responsible for anticipating the needs of the business. I think that this course has shown me how to better look at the overall market I am in and how to analyze things to make the best decisions for my company.To someone that is just starting to learn the principles of economics, I would say to make sure to ask questions if you do not understand something. Also, something as small as googling a concept that you are unsure of can provide for a much better understanding. There is no way to memorize everything that you read but watching the videos and learning the practical applications of things will really help you out in understanding the overall concepts that you need to learn.3) PEER REVIEW #2 (JADA)Professor, Professor, Professor,I have learned so much in this class. I found myself watching some of the videos two and three times just to make sure I was hearing what I was hearing! It’s amazing how blind we Americans are as to what’s going on in our own back yard with regards to our economy. And the “how money really works” week has me questioning everything now. Loll I truly can’t believe that we as Americans have not been able to change the system in which money is handled. It’s crazy! I do know that I am even more determined to get out of all debt and not rely on credit anymore. I plan on sharing the information I’ve learned with my kids, which actually I already have, and with all my other family members, friends, and co-workers. I am more conscious and aware of how the economy works so I have set goals that will thrust me into changing my habits on how I spend and save. My advice to someone just starting to learn about economics it to start from the bottom even if you think you have an understanding of it all. I thought I knew a few things, but turned out I didn’t. I would encourage citizens of this country to get involved an engaged in our economy and the things that will make a difference for us all. Man, what a lesson! 🙂 Thanks for all your support and understanding this semester. Maybe our paths will cross again online. 🙂
4. the three determinants of resource demand: 1) demand for the final
4. The three determinants of resource demand: 1) demand for the final good or service, 2)technology that affects the productivity of resources, and 3) prices of complement andsubstitute resources.A. Explain how a change in the demand for a good will change the demand for theresource used to produce the good. Give an example. (4 points)B. Changes in technology can cause changes in the productivity of a resource.Technological change can be economy-wide, industry-specific, or can occurwithin one firm’ s production process. Explain how a change in the productivityof a resource changes the demand for the resource. Give an example. (4 points)C. Suppose labor and capital are substitute resources, and the price of capitaldecreases. What happens to the demand for labor and capital? Do theproducers produce more or less of the final good? Explain your answers.(6 points)D. Suppose labor and capital are complement resources, and the price of capitaldecreases. What happens to the demand for labor and capital? Do theproducers produce more, less, or the same amount of the final good? (6 points) AP MicroeconomicsAssignment: Apply Concepts of Factor Demand5. Page 2 of 2 Elasticity A. Blue Chair Press publishes art books. The demand for art books published byBlue Chair Press is highly elastic. Labor is a significant input in the productionof art books. Show on a demand and supply graph for Blue Chair Press artbooks the effect of an increase in the wage rate. What can you conclude aboutthe elasticity of demand for labor? (4 points)B. Blue Chair Press uses a lot of labor when it edits and publishes texts. Its laborcosts are 80% of its total costs. Compare the elasticity of demand for labor inthis situation with the elasticity of labor demand if labor accounted for only20% of Blue Chair Press’s total costs. (4 points)C. Since Blue Chair Press requires very specific artistic skills from the labor ithires, there are few substitutes for the type of labor the firm requires. Howdoes this affect the elasticity of demand for labor? (2 points)D. True or False: The higher the elasticity of demand for the product, art books,the more inelastic is the demand for the resource, labor, that produces the artbooks. Explain your answer. (2 points)E. True or False: If the ratio of labor costs to total costs is low, then the elasticityof demand for labor is low and a given wage increase results in fewer laborerslosing jobs than if the elasticity of demand is higher. Explain your answer.(2 points)6. Marginal AnalysisA. Explain how marginal analysis is used to determine the least-cost combinationof labor and capital used to produce a given level of output. (2 points)B. Explain how marginal analysis is used to determine the profit-maximizingcombination of labor (L) and capital (K) used to produce a given level ofoutput. Give your answers in words and in an equation. (2 points)C. Is the least-cost combination or resources also the profit-maximizing level ofresources? Explain your answer. (3 points) ____________© Copyright 2002 Apex Learning, Inc. All rights reserved. This material is intended for the exclusive use ofregistered users only. No portion of these materials may be reproduced or redistributed in any form without theexpress written permission of Apex Learning, Inc.
MKT 402 SU Pricing Strategies Discussion
Identify one product that would benefit from each of these three pricing strategies, and one product that would not benefit from each pricing strategy (cost-plus, customer-driven, and share-driven). State your rationale for each selection.AND REspond TO THIS POST:Robinson RE: Week 1 Discussion 1Hello Professor and Classmates,I am going to be the first to take a stab at this for week 1 discussion. Cost-plus pricing: Is a strategy for which retailers, construction companies, and some repair shops greatly benefit from as an assumption of making a profit. The cost-plus strategy is unquestionably the most uncomplicated and generally straight forward method for deciding cost. Notwithstanding, it may not be the most exact. It is maybe best taken a gander at as a beginning stage, from which the last cost can be characterized. Adversaries of the technique would contend that not all expenses are fixed. An all the more glaring drawback, however, is that this methodology may not mirror the genuine estimation of the item.Customer driven pricing: This strategy of pricing is where the seller makes the decision based on what the consumer justify what they will pay. B2B (Business to Business) sales for which allows marketing and sales to collect information on its customer value. A product that benefits from Customer-driven pricing would be Consulting firms. Expecting the last item or experience is adequate; the client feels in complete control of the buy and, in any event to some extent, is answerable for their own fulfillment. Airlines are less likely to benefit from Customer-driven pricing, due to the outrageous fees that cannot be negotiated or drive the cost no matter what.Share driven pricing: This strategy is strictly dictated by competitive conditions. Meaning a company way to stay competitive in their industry over their opposition, this empowers the company to settle on moderately simple valuing choices. Small items/sales benefit the most from this strategy because this strategy allows them to compete on a lower scale. For example, if a small business such as GovSmart, a value-added reseller (VAR), increases their cost on a software license by $32, then MA Federal the same VAR will also increase their cost. High end or products will not benefit from this strategy due to the fact their cost/pricing has already defined as a higher price or cost.
