Essay about Econ1202 Semester 2 2008 Final Exam - 1301 Words

THE UNIVERSITY OF NEW SOUTH WALES SCHOOL OF ECONOMICS ECON1202/2291 QUANTITATIVE MEHODS A FINAL EXAMINATION SESSION 2 2008 TIME ALLOWED - 3 HOURS THIS PAPER IS WORTH 60% OF THE TOTAL SUBJECT MARK Questions: 7 Students must attempt no more than 6 questions Marks per question: 10 Exam weighting: 60%. Instructions to Students: - Complete all of the details required on the front page of the examination booklet. - Make sure that you note the SIX(6) questions attempted on the front of your examination booklet - If Seven questions are attempted, the first SIX(6) will be marked. - You may use a non-programmable calculator - Graph paper will be provided. - Answers are to be written in ink. Pencils are permitted for graphing purposes. - The†¦show more content†¦(3 marks) c) Determine the optimal number of bus and train travelers. (2 marks) d) Say a train strike signiï ¬ cantly reduced the number of trains available. By how much would the train capacity constraint have to fall for the optimal solution to be altered? (2 marks) 4 Question 5: a) Consider the implicit function 2x4 (y − 1) + exy = 7 Find the rate of change of y with respect to x when x = 2, y = 1. (2 marks) b) Find: 12y + 6 dy +y+3 y2 (3 marks) c) In the small town of Lametopia, which has a population of 80,000 people, the town council (of 100 people) hears in advance that the town might have won â€Å"Tidiest city 2008.† News circulates about the town quickly, such that by the end of the ï ¬ rst week (one week after the council heard the news!) 1000 people know the rumour. Assuming growth is logistic, ï ¬ nd how many individuals should have heard the rumour after two weeks. (5 marks) 5 Question 6: a) An importer of antiquities knows that he can sell bowls and carved ï ¬ gurines to the domestic market. If q1 is this number of ï ¬ gurines sold, their price will be $(60 − 2q1 ). If q2 bowls are sold, $(10 − q2 ) will be the price of bowls. Figurines cost $16 and bowls $4 to the importer and ï ¬ xed costs are $200. i) How many each of ï ¬ gures and bowls should be sold to maximise proï ¬ t. ii) Is this indeed a maximum? Justify using second order conditions. iii) What price is

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Racial Profiling And Its Effects On Society - 1393 Words

Alina Haseeb History 104 Professor Smith 3 August 2015 Racial Profiling We live in a society that has prospered generously over the years. America has opened its doors for so many different people by establishing itself as a free country. Not only have we progressed in technology and economically but we have created our own identity by becoming a free nation in which every individual has the same rights and eligibility as the other. This is the core of our countries success; we are not a nation unified distinctly by a specific race, religion or culture but by the compulsive efforts of our nation’s laws to uphold freedom in every aspect of a civilian’s life. People are not only allowed but encouraged to practice the religion of their choice, eat the food they desire, speak the language they prefer. There is even freedom in the most minute of things such as being able to listen to the music of your choice, these are the laws that promote diversity and strengthen our nation today. Our nation’s identity and prosperity i s built upon multiculturalism and ethnic tolerance. However, this was not always the case it has taken many long and brutal years become the stable and versatile country that we are today. Specifically dating back to when this land was first founded and thereafter we see our nation has struggled with conflicts against politics, discrimination, and public affairs up till this very day. Dating back to a vital time in our nation we come across the early to midShow MoreRelatedRacial Profiling And Its Effects On Society982 Words   |  4 PagesRacial profiling has and always will be a large part the American society. Although before we can discuss its effects on society and how society then affects me we should know what it is. Racial profiling is the use of an individual’s race or ethnicity by law enforcement personnel as a key factor in deciding whether to engage in enforcement (e.g. stop and search or arrest). In other word it is justifiable racism. I say this because in orde r to use a person’s skin color to determine whether they haveRead MoreRacial Profiling And Its Effects On American Society2621 Words   |  11 PagesEver since the late 1970 s profiling was associated with a method of interdicting drug traffickers (Data Collection Resource Center, n.d., para 3). The profiling provided not only a quick way to see evidence of concealment in the vehicle, but included age and race characteristics of possible drivers (Data Collection Resource Center, n.d., para 3). The controversy is over whether or not there are a disproportionate number of blacks and Hispanics involved with law enforcement that reflects policeRead MoreProfling Vs Racial Profiling848 Words   |  4 PagesRecently there have been many issues concerning wrongful searches and police brutality in the criminal justice system. Cries for racial equality and social justice have been heard from across the nation. Profiling and stereotyping are generally seen as almost the same concept, but this is not the case. Specifically, criminal profiling is defined as â€Å"the act or process of extrapolating information about a person based on known traits or tendencies,† according to Merriam-Webster Dictionary. In contrastRead MoreRacial Profiling1321 Words   |  6 PagesANALYSIS OF â€Å"RACIAL PROFILING AND CRIMINAL JUSTICE† 1 Analysis of â€Å"Racial Profiling and Criminal Justice† Domenica Martinez Colorado Mesa University ANALYZING RACIAL PROFILING AND CRIMINAL JUSTICE 2 Research Question I chose to analyze article titled â€Å"Racial Profiling and Criminal Justice† which is written By Jesper Ryberg withinRead MoreThe Community Of Jamaic A Middle Class Area1723 Words   |  7 Pagesgroups because if certain stigmatisms placed on heavily populated neighborhoods. Racial profiling is very much common in this vicinity of Jamaica. Racial profiling is a growing epidemic that has been a major problem for people of color. There are many people who are affected by it and have no way of defending themselves against the norms of society. According to the Merriam Webster online dictionary, racial profiling is the use of a generalized suspicion based on race rather than evidence specificRead MoreThroughout history, racial profiling has become a prevalent issue within humanity. From slavery,1400 Words   |  6 PagesThroughout history, racial profiling has become a prevalent issue within humanity. From slavery, segregation, and to world wars, furthermore ongoing issues of terrorism, these examples have led to the profound effects of racial profiling. Racial Profiling can be defined as the action of law enforcers and society, which specifically targets people based on race, ethnicity, religion or national origin and not by actual behavior. Although, many people may believe that racial profiling is non-existent,Read Mor eRacial Profiling Is A Necessary Evil1100 Words   |  5 PagesRacial Profiling In order to understand racial profiling, it must first be correctly defined. Although different authors use different criteria for the term racial profiling, the definition for the word racial is â€Å"of, relating to, or based on a race The definition the dictionary puts forth for profiling is â€Å"the act of suspecting or targeting a person solely on the basis of observed characteristics or behavior.† Based on these definitions, racial profiling could be defined for criminal justice purposesRead MoreRacial Profiling : A Race And Ethnic Class1208 Words   |  5 Pagespoint presentation on â€Å"racial profiling†. Starting off racial profiling refers to the biased practice by law enforcement officials focusing on individuals for suspicion of crime, based on the individual s race, ethnicity, religion or national origin. Racial profiling is a very brood and sensitive topic because it’s a lot of it going on in the world today. My opinion is that racial profiling is a controversial topic in our society. The beneficial parts of racial profiling are firmly upheld by statisticsRead MoreNarrow Views On The United States939 Words   |  4 Pagesinhumane event, but also by America government official’s racial profiling citizens of all nationalities that set foot into America territory. As citizens of the United States, we are concerned about criminality undermining our society; drugs, terrorist attacks and violence are increasing in our communities. Although crime is a serious problem in our society, government resources are limited and we live under a terrorist threat. However, racial profiling is not the solution to reduce our social issues becauseRead MoreRacial Profiling Term Paper1588 Words   |  7 PagesRacial profiling is a popular method used by law officers in order to hypothetically enhance crime prevention by targeting minorities, because they are more likely to commit a crime. According to Wikipedia, racial profiling is defined as: the inclusion of race in the profile of a person considered likely to commit a particular crime or type of crime. In other words, it is targeting specific ethnic groups because they are more likely to commit certain crimes. Racial profiling is a flagrant form of

Wearable Gestural Interface Device free essay sample

History: Steve Mann is the father of sixth sense who made a wearable computer in 1990. The Sixth Sense technology was first implemented as the neck worn projector+ camera system. He was a media lab student at that time. There after it was used and implemented by an Indian who is the man has become very famous in the recent pranav mistry. There will be a long future rather than the short period of history for the sixth sense technology. Introduction: Sixth sense is a wearable gestural interface device that augments the physical world with digital information lets people use natural hand gestures to interact with that information. t was developed by pranav mistry. Colored marker The hardware components are coupled in a pendant-like mobile wearable device. Both the projector and the camera are connected to the mobile computing device in the user’s pocket. The Projector: Projects visual information, enabling surfaces, walls and physical objects around the wearer to be used as interfaces. We will write a custom essay sample on Wearable Gestural Interface Device or any similar topic specifically for you Do Not WasteYour Time HIRE WRITER Only 13.90 / page Mobile component sends information for displaying on surface. The Camera And Hands: Recognizes and tracks the users hand gestures and physical objects using computer-vision based techniques. The Software Program: Processes the video stream data took by the camera and tracks the locations of the colored markers at the tip of the user’s fingers using simple computer-vision techniques. The maximum number of tracked fingers is only constrained by the number of unique fiducials, thus Sixth Sense also supports multi-touch and multi-user interaction. Technology behind sixth sense: Hardware Setup:Projector: Here pocket projector Pocket projector Pk101 from Optoma is used to project the information on surfaces. It augments nearby surfaces around us. Thus, digital information is freed from its confines and placed in the physical world. Applications: †¢Clicking images with gestures. †¢Portable mobile. Rating of books according to internet websites. †¢Watching video news in news paper. †¢Collecting information on flight tickets. †¢3D drawing images on the surfaces. †¢It shows real time watch on our hand. Advantages: this device is portable, inexpensive, multi-sensory, connectedness. It acts as an interface between the world and information. It is an open source. This device has Data access directly from machine in real time. Limitations: Software does support the ability to use real time video streams in order to produce augmented reality. The hardware limitations of the devices, That we currently carry around with us. For example many phones will not allow the external camera feed to be manipulated in real time. Post processing can occur however in these devices. Relatation with other technologies: This sixth sense technology deals with mobile communications, image recognition, markers technology, multimedia computer vision based techniques, Rfid, etc.. Future of sixth sense: We can create Interactive Advertisements, 3d visualizations by using this technology in multimedia applications. To replace normal batteries with Solar batteries via small solar panel to increase sufficient energy for operating projector. These camera can act as a third eye for the blind person. Conclusion:: Sixth Sense recognizes the objects around us, displaying information automatically and letting us to access it in any way we need. The Sixth Sense prototype implements several applications that demonstrate the usefulness, viability and flexibility of the system.