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.

Amnesia And Its Causes Essays - Cognitive Disorders,

Amnesia And Its Causes Amnesia, the partial or complete loss of memory, most commonly is temporary and for only a short span of experience. There are both organic and psychological causes for amnesia. Some organic causes include inflammation of the brain, head injury, or stroke. This type of memory loss occurs suddenly and can last a long time. The person may be able to recall events in the distant past but not yesterday or today. If the amnesia is caused by alcohol abuse, it is a progressive disorder, and there are usually neurological problems like uncoordinated movements and loss of feeling in the fingers and toes. Once these problems occur, it may be too late to stop drinking. In contrast, psychologically based amnesia is almost always temporary. This type of memory loss may be triggered by a traumatic event with which the mind can not deal. Usually, the memory slowly or suddenly comes back a few days later, though not all of the trauma may be recalled. Only rarely does a person lose the memory of larg er portions of their life The brain stores different types of information in different places. Short-term memory involves recalling details that have been catalogued seconds or minutes before. Examples include reciting a phone number, recognizing a new face, or repeating a list of three objects seen 2 or 3 minutes earlier. For this to happen, distinct areas deep in the brain need to function properly. For short-term memory to convert to long-term memory, other permanent changes to brain cells have to take place. This is similar to creating a permanent file or recording. Other parts of the brain perform this filing function. Occasional memory lapses or forgetfulness are common. These may be associated with depression, stress, lack of sleep, and normal aging. Memory loss only becomes a problem when it is severe and interferes with daily living. Amnesia is a severe form of memory loss. It may be a partial or complete lack of recall. Depending on the cause of amnesia, the memory loss may arise suddenly or slowly. It also can be temporary or permanent. Many people with progressive memory loss may not be aware of their worsening forgetfulness. Family members or friends may be more able to judge whether memory lapses are getting worse. Depending on whether the memory loss is of short- or long-term memory, the individual or family may notice certain events, such as: ? Inability to recognize family members ? forgetting one's phone number or home address ? forgetting how to return home from a familiar location ? forgetting to eat, bathe, or maintain one's hygiene ? forgetting friends' or family members' names Common medical causes of memory loss include: ? normal aging ? Alzheimers Disease ? depression ? head trauma ? hysteria ? seizures ? chronic alcohol abuse drugs such as anesthetics, ? barbiturates, and hallucinogens ? electroconvulsive therapy (ECT) ? temporal lobe surgery for conditions such as a brain tumor lack of oxygen to the brain ? stroke ? Huntington's disease ? Atherosclerosis or hardening of the arteries ? Pick's disease ? Lewy body disease ? normal pressure hydrocephalus ? chronic subdural hematoma , or bleeding on the brain tumor ? Wilson's disease ? neurosyphilis , or late-stage syphilis Mild memory loss comes normally with aging. Keeping the brain active may help to preserve brain cells. Reading, singing, doing puzzles, conversing, exercising, and eating a balanced diet stimulate blood flow and activity in the brain. Severe and worsening memory loss may develop into dementia. One form of this condition is dementia associated with Alzheimer's disease. Because there is no known cause for this disease, there is also no known prevention. Hormone replacement therapy may help postmenopausal women. Recent research indicates these drugs may delay or prevent the onset of Alzheimer's. Dementia is also related to strokes. High blood pressure and vascular disease may cause strokes. Preventing or treating high blood pressure, obesity, diabetes, high cholesterol, and alcohol abuse are keyways to decrease the risk of dementia. A person does not need to see a healthcare professional about simple memory loss that happens only once in a while. If memory loss is severe and progressive, Alzheimer's disease must be considered. Dementia can be diagnosed only if a doctor is made aware of the problem. A person's

Castle Life Essays - Knight, Feudalism, Castle, Tournament, Nobility

Castle Life Essays - Knight, Feudalism, Castle, Tournament, Nobility Castle Life Supported by the brawn and taxes of the peasants, the feudal baron and his wife would seem to have had a comfortable life. In many ways they did, despite the lack of creature comforts and refinements. Around the 12th century, fortified manor dwellings began to give way to stone castles. Some of these, with their great outer walls and courtyard buildings, covered around 15 acres and were built for defensive warfare. Even during the hot summer months, dampness clung to the stone rooms, and the lord and his entourage spent as much time as possible outdoors. At dawn, a watchman on top of the lookout tower blasted out a note on his bugle to awaken everyone in the castle. After a small breakfast of bread and wine or beer, the nobles attended mass in the chapel at the castle. The lord then went about his business. He first may have heard the report of an estate manager (a manager of plot of land). If a discontented or badly treated serf had fled, without a doubt, the lord would order special people called retainers to bring him back. This is because serfs were bound to the lord unless they could evade him for a year and a day. The lord would also hear the petty offenses of the peasants and fine the culprits, or, he might even sentence them to a day in the pillory. Serious deeds, like poaching or murder, were legal matters for the local court or royal "circuit" court. The lady of the castle had many duties of her own. She inspected the work of her large staff of servants, and saw that her spinners, weavers, and embroiderers furnished clothes for the castle and rich robes for the clergy. She and her ladies also helped to train the pages, who were well-born boys that came to live in the castle at the age of seven years. For seven years pages were taught in religion, music, dancing, riding, hunting, and some reading, writing, and arithmetic. When they turned 14, they became squires. The lord directed the training of the squires. They spent seven years learning the practices of chivalry and, above all this, of warfare. At the age of 21, if they were worthy enough, they received the distinction of knighthood. Sometime between 9 AM and noon, a trumpet called the lord's household to the great hall for dinner. Their, they wolfed down great quantities of soup, game, birds, mutton, pork, some beef, and often venison or boar slain in the hunt. In winter, the ill-preserved meat tasted fiercely of East Indian spices, bought at enormous cost to hide the rank taste. Great, flat pieces of bread called trenchers served as plates and, after the meal, were tossed to the dogs around the table or given to the poor. Huge pies, or pasties, filled with several kinds of fowl or fish, were greatly loved. Metal, or wood cups, or leather "jacks" held cider, beer, or wine. Coffee and tea were not used in Europe until after the Middle Ages. Minstrels or jokers entertained at dinner. Hunting, games, and tournaments delighted nobles. Even the ladies and their pages rode into the field to loose falcons at game birds. Indoors, in front of the great open fire, there was chess, checkers, and backgammon. Poet-musicians, called troubadours, would often chant and sing storied accomplishments of Charlemagne, Count Roland, or Arthur and his Knights of the Round Table. Dearest to the warrior heart of the feudal lord was the tournament, an extravagant contest of arms. Visiting knights and nobles set up their pavilions near the lists, or field of contest. Over each tent, a banner fluttered to show the rank of a contestanthere a count, there a marquis or a baron. The shield of each armor-ridden warrior was emblazoned, or decorated, to identify the bearer. The first day of the tournament, or tourney, was usually devoted to single combats, in which pairs of knights rode full speed at each other with 10-foot (3-meter) lances. The tournament's climax was the melee, when companies of knights battled in adventurous mimic warfare. A tournament cost the lord a fortune for hospitality and rich prizes given to the victors by the "queen of the tournament". Tournaments had a cold and forbidding valueas practice for feudal warfare. Some battle or raid erupted almost daily, since medieval nobles settled their quarrels simply by attacking. If a lord coveted land, his couriers called his vassals to make a foray, or raid, of it. The peasants, in quilted battle coats,

How strong was Tsarism in 1914 Essay Example | Topics and Well Written Essays - 2000 words

How strong was Tsarism in 1914 - Essay Example If one looks at Russia before 1914 it may be possible to come to some ending about these various views. In the course of 1905 to 1907 there had been significant peasant unrest intended mainly at the gracious landowners. ‘’A lot of this had been put downward by oppression but the government also approved a number of measures intended to alleviate the circumstances, including the elimination of redemption duties and the addition of credit via the Peasant Land Bank’’ (Wade, 2005.p.25). ‘’Once he became Prime Minister, Stolypin set himself the job of pacifying the peasantry as the key to Russia’s long-term stability’’ (Gatrell, 1994.p.461). During the conflict, the administration had observed that the community had not been a warranty of rural steadiness. Indeed, it gave turbulence their consistency and organization. Thus, the solution was to support peasants to leave the community and to become confidential landowners. ‘ ’Stolypin’s plan was to make a group of peasant administrators with a stake in sustaining the regime (Polonov, 2005.p.50)’’. They could then be relied on to hold their radical neighbours in check. The rationale Stolypin surrendered the Duma for the agrarian reorganization was his wish to make a class of small, free farmers a gamble on the abstemious and the strong, which would be hard working and innovative. It was felt that the presented system encouraged the rising disintegration of the land because of the rise in population, and did not give the incentive to make advancements because the land did not stay in the family. In quintessence, what Stolypin planned was privatization. In August 1906, Stolypin prepared 6 million hectares of state and crown land obtainable for peasant buying and in October, the new management eliminated all limitations on peasant movement. Nevertheless, ‘’the key measure was his Land Law of 9 November 1906’⠀™ (Geary, 1989.p.17).’’The verdict passed this and Duma did not approve until June 1910’’ (Gatrell, 1994.p.78). ‘’It stated that in the third duma (1907-12) the main position was held by the Union of 17 October , the date of the regal manifesto of 1905, which was dedicated to working with the administration for improvement in the agrarian civil rights , field, worker’s insurance, education, justice and local regime’’(Mendum & Waugh,2001.p.47). They approved Stolypin’s agrarian improvement, passed unevenly under disaster verdict in 1906. ‘’The graciousness, which had endorsed Stolypin’s agrarian improvement, opposed him on a number of other problems where they felt their welfare or that of the realm threatened and they used their central location’’ (Saul, 1997.p. 45). If the duma had a small number of successful changes to its credit, it did alter extremely the climate of Russi an government by bringing bureaucrat mistreatments out into the open, and by empowering public talk of contentious problems. ‘’From 1912 there was a renaissance of workers’ actions following the slaughter of activists at the Lena gold mines in Siberia’’ (Bagnall & McGonigle, 2004.p.481) ‘’. Ultimately, this caused the erection of blockades and to street hostility in St Petersburg on the eve of the First World War’’ (Saul, 1997.p.34). ‘’Visions of a latest era of industrial harmony and prosperity were rudely shattered by a fresh wave of Labour complaint that began in April, 1912, once