A random sample of 84 bulbs was burned out with a mean illumination life span of 1870 hours and with a sample standard deviation of 90 hours. Construct a 95 confidence interval based on this sample and be sure to interpret this interval. Answer Since population standard deviation is unknown‚ t distribution can be used construct the confidence interval. The 95% confidence interval is given by X t / 2‚n 1 S S ‚ X t /2‚n 1 n n Details Confidence Interval
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1. (TCO 1) Historical research involves four main tasks. Analyze refers to the task of (Points : 2) | locating primary sources to learn the facts. asking questions like "Who created the source and why?" analyzing all the available primary sources and judging which is the most accurate. distributing the new findings to the world. | 2. (TCO 2) The Big Three were (Points : 2) | Stalin‚ Eisenhower‚ and Churchill. Stalin‚ Hitler‚ and Mussolini.
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everyday objects to A. show the joy of urban living. B. compare urban life with rural life. ***C. demonstrate humanity’s loss due to urbanization. D. demonstrate how modern architecture has improved society. 2. Picasso’s Girl before a Mirror and Constable’s The Glebe Farm both demonstrate the fact that the colors used by an artist in a painting A. don’t really affect the spectator’s understanding and appreciation of that work. ***B. are sometimes naturalistic and sometimes arbitrary.
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correct answer. 1. If you have several Web pages and need a consistent style that can be easily updated‚ __________ is a good choice. a. DHTML b. CSS c. XML d. both a and c 2. An external style sheet must be saved as a(n) __________ file. a. .html b. .xml c. .ext d. .css 3. A(n) __________ statement must be inserted into all Web pages in which you want to use an external style sheet. a. index b. connect c. link d. attach 4. All of the following are types of CSS‚ EXCEPT: a. embedded. b. inline
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purchased have both increased. Based on this information you can conclude that [ B. demand for clothing has grown faster than the supply of clothing ] 2) Camille’s Creations and Julia’s Jewels both sell beads in a competitive market. If at the market price of $5‚ both are running out of beads to sell (they can’t keep up with the quantity demanded at that price)‚ then we would expect both Camille’s and Julia’s to: [ B. raise their price and increase their quantity supplied ] 3) In which of the
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University of Phoenix Material Appendix B Research Methods List the advantages and disadvantages of the following research methods: Research Method | Advantages | Disadvantages | Case Study | One major advantage of the case study in psychology is the potential for the development of original hypotheses for later testing. Second‚ the case study can provide detailed descriptions of specific and rare cases | The case-control study method is highly susceptible to recall bias as it relies
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Organizational Performance Control: monitor the organizations environment‚ competitors‚ publics‚ strengths‚ weaknesses and performance (strategic planning). Day-to-Day performance for the purpose of fine-tuning current efforts (feedback) Evaluation: Final outcome – did it work‚ did it achieve behavioural influence goals? Major drivers of success? What didn’t work? Monitoring (measurement): Keeps marketers on schedule‚ to know if all segments are being reached‚ what is working/not working‚ is desired
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QNT/561 Final Examination Study Guide This study guide will prepare you for the Final Examination you will complete in the final week. It contains practice questions‚ which are related to each week’s objectives. In addition‚ refer to each week’s readings and your student guide as study references for the Final Examination. Week One: Descriptive Statistics and Probability Distributions Objective: Compute descriptive statistics for given data sets. 1. In 1995‚ the cost of unleaded gasoline
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ANSWERS to Homework #7 E201 Spring 2009 1. If the government places a $500 tax on luxury cars‚ will the price paid by consumers rise more than $500‚ less than $500‚ or exactly $500? Explain. Price will rise by less than $500. The only way price could rise by exactly $500 is if demand (or supply) is perfectly inelastic. 2. The FICA tax funds Social Security programs. Congress established a 15.3% FICA tax rate; by law‚ the tax burden is split 50-50 between employer and employee. So‚
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A lateral fault is one that is not vertical Earthquakes occur at the plate boundaries Anticlines/synclines are associated with folding Hawaiian volcanoes are shield volcanoes (no explosivity‚ etc.) Collymer joints are formed by magma crystallizing… What is the earth made of? Sediments can form from pre existing rocks‚ they collect and undergo a process called lithification‚ then form layered rocks The crust of the earth is largely covered up with sedimentary rocks When sedimentary rocks
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