the sum oftwo independent random variables is the sum of their individual variances
Prove that the variance of the sum of two independent random variables is the sum of their individual variances
FORENSIC CHEMISTRY: THIN LAYER CHROMATOGRAPHY (TLC)
INTRODUCTION
One of the many processes that you will use in forensic science is thin layer chromatography (TLC). This is a method which can be used on a wide variety of materials and is principally based on silica gel as the “stationary phase” and a mixture of solvents “mobile phase”. You will hear a great deal more about this method throughout your course, but it is essential, at this stage, to understand the underlying concepts of how it works. In this experiment, you will be asked to separate two drugs of differing polarity, but found in the same class, and then explain the basis of separation (consult literature and lecture notes). The structures of the drugs and silica gel was explained to you in the lecture on
How Many People can Live on Planet Earth?." Dir. Helen
Shariatmadari, and Perf. David Attenborough. BBC [UK]: 9 Dec. 2009. Television.
For in-text citation:
("How Many People can Live on Planet Earth?")
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Patient safety culture among critical care units nurses
Paper instructions:
Do data analysis and write the chapter of data analysis which include ( introduction – result and finding – discussion – conclusion – tables ).
The total number of questionnaire distributed were 136 questionnaire and the total number of collected and returned questionnaire are 76 questionnaires
The study is divided to two parts
The first one is descriptive : describe the frequency distribution of the questions and the response of the participants
The second one is to do correlation between patient safety culture score and professional qualifications and educational background
The study title is (patient safety culture among critical care unit’s nurses at aseer central hospital)
The aim of the study:
1) To assess patient safety culture among critical care units nurses
2) To find if there is a link between the patient safety culture scores and individual nurse’s professional qualifications and educat
Design and Technology
Digital Communications
Project description
Ethics assignment. Select an Ethics topic from the textbook and write a 500 – 1000 word essay addressing the issues presented by the topic. Include both the “for” and “against” perspective in your essay. Be sure to include your analysis and thoughts. Thesis, references, and organization are all relevant for this paper. Page xii (Table of Boxed Elements) in the text contains a list of the Ethics topics from which to choose.
The ethics topic is: Is Government Search and Seizure of Computers Ethical?
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Art history
1
Consider Holland’s discussion of the family photo album. How does the family album shape ideas and images of modern family life? How does this compare to visual representations displayed on social networking websites?
2
For Foucault, practices of surveillance and discipline are not confined to the management of prisoners or others who are institutionalized, but instead they affect us all. Explain.
3
Baudelaire’s “Eyes of the Poor” drew attention to distinctively modern experiences. Discuss.
4
How has trauma become an essential factor in the work of international humanitarian organizations? What is Fassin's evidence for this claim? And why, according to Fassin, might this be a matter for concern?
5
Discuss Bourdieu’s claim that through assertions of taste we claim distinction. Illustrate your answer with an example.
6
What is meant by the term “flâneur”? And what is the significance of this figure to modern subjectivity?
7
Elkins argues that there is no
Finance and Accounting
U.S. Bond market
Project description
One research paper over a current issue and/or policy effecting monetary or fiscal policy. Papers should have a minimum of 5 academic sources (not Wikipedia) and should be between 10 pages in length excluding citations. The topic is to talk about the U.S. bond market’s current situation and future tendency. Also, the content should include the affect of bond market by the monetary policy and the Fed’s policy.
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nursing
In this unit, you will learn about the importance of creating a career plan for yourself. Nursing is a universal profession, which touches human life from conception to death in so many ways. The nursing shortage has received a great deal of interest by the nation in response to concerns about safe and effective healthcare delivery. Too few registered nurses are moving into graduate education despite the need for advanced practice nurse practitioners, researchers, educators, administrators, and so on. (But you all are YEAH HOO!!)
1. Discussion Boards - Please make sure that your discussion board initial answer is submitted to BOTH boards by Saturday at 11:59pm EST.
2. For your week 4 journal you will need to discuss:
Refer to the Institute of Medicine: Future of Nursing Report (2010) regarding professional nursing practice and the elimination of barriers for all professionals. Reference: http://iom.edu/Reports/2010/The-Future-of-Nursing-Leading-Change-Advancing-Health.aspx Writ
Critical Comparative Essay
Project description
An analytical argument that makes a claim
In this essay, your focus will be on the two essays you read for homework, Exploring the Singularity and Robot Ethics. http://www.kurzweilai.net/exploring-the-singularity
http://digitalcommons.calpoly.edu/cgi/viewcontent.cgi?article=1020&context=phil_fac
A straightforward compare/contrast framework will allow you to look closely at the similarities and differences between each author's execution/delivery of ideas, specifically noting how the strengths and weaknesses of their presentations affect the ultimate
effectiveness of their messages.
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Marketing
observe a retail store
Project description
The assignment is a paper detailing your observations of marketing aspects at a retail store. In other words you are to list, via bullet points, those things that the store does to help in marketing their products. Begin your paper with the name of the retail store and why you chose it, then list what you observed (in bullet point fashion) and next to each item your thoughts ( in just a few words) as to if it is effective to motivating you in some way to buy and like the store, or dislike shopping at this store.
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English literature
Write a critical analysis five paragraph paper of about 500 words concerning the film, Crossroads(1986) directed by Walter Hill.
Potential critical analysis topics:
- Is this a "buddy story," an odyssey, a musical historical narrative, or a supernatural story? support the thesis with events, dialogue, and characterization from the film
- eugene is a young musician torn between living up to expectations in his classical music studies and his love for the blues. what does the movie say about the conflict between the traditional and the contemporary aspects of art?
- the story is concerned with a man, having made a deal with the Devil, now trying to win his soul back. while this is a very traditional idea, how does this story alter the traditional while staying true to it?
- write a paper studying the character development, especially the regional aspects of those chosen that are displayed and exemplified by eugene, willie and frances.
- observe and analyze one li