distribution To calculate the covariance and understand its use in finance To compute probabilities from binomial‚ hypergeometric‚ and Poisson distributions How to use the binomial‚ hypergeometric‚ and Poisson distributions to solve business problems Copyright ©2012 Pearson Education‚ Inc. publishing as Prentice Hall Chap 5-2 Definitions Random Variables A random variable represents a possible numerical value from an uncertain event. Discrete random variables produce outcomes that
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The Solution to the Earths’ Energy Conservation Problem Gas prices have hit $6.00 a gallon! That is a scary thought‚ but reality is if we don’t start conserving our energy sources now‚ that is exactly what we will get gas for $6.00 a gallon or maybe even more. In today’s society we are only worried about the here‚ and the now. We all need to start thinking long term and come up with ideas for preserving our future. In the United States the industries use up about forty two percent of the nation’s
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Cosmetics. Cosmetics are substances used to enhance the appearance or odor of the human body. Cosmetics include skin-care creams‚ lotions‚ powders‚ perfumes‚ lipsticks‚ fingernail and toe nail polish‚ eye and facial makeup‚ towelettes (wet wipe)‚ permanent waves‚ colored contact lenses‚ hair colors‚ hair sprays and gels‚ deodorants‚ hand sanitizer‚ baby products‚ bath oils‚ bubble baths‚ bath salts‚ butters and many other types of products. A subset of cosmetics is called "make-up" which refers
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By: Nicholas R. Singh Valeree A. Morales A Heavy-Set Problem During a chase‚ huffing and puffing‚ a staggering cop collapses to the ground‚ out of breath‚ without the ability to run further; another criminal gets away. It’s pathetic – cops these days – fat‚ doughnut loving‚ out of shape losers. It is impossible to expect obese‚ stout‚ gargantuan‚ heavyset‚ rotund‚ potbellied police to help us in our endeavors to be a free and prosperous country; together we can solve this crisis with two
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Cosmetic testing on animals The first test was designed in the 1920’s and it was developed to test the toxicity of certain products. Testing cosmetics on animals in the United States is very common. About a thousand mice‚ guinea pigs‚ rats and rabbits undergo pain or die each year. Animal testing is different in some circumstances. Animal testing involves the inability to consent. It involves pain‚ suffering‚ and discomfort under certain situations. Researchers aren’t fully able to block out the
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Introduction Companies around the world face challenges both externally and internally. Externally‚ companies have to create‚ manufacture‚ and distribute a product appealing to a targeted group of companies and in some cases venture out to the individual population. Internal challenges stem from the Chief Executive Officer’s (CEO)‚ board members‚ team leaders‚ production designers‚ sales representatives‚ and the employee population. Some challenges presented can be the light of a new idea and other
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Whether a person chooses to undergo plastic surgery to improve their lifestyle or to improve their look‚ there will always be emotional benefits when a person is finally able to feel comfortable in their body. Many people find that they are more outgoing‚ personable and confident when they become accustomed to their transformation and this heightened sense of self-esteem can be a benefit that lasts a lifetime. Having plastic surgery can have a number of significant benefits that can be both emotional
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"Surgery". This is the seven letter word that fascinates me and grasps my attention with no effort. As I sat in the hospital room with my sick young cousin‚ this was the only word I heard come out of the neurologist’s mouth. My interest in becoming a surgeon began at the young age of seven years old. I was‚ and still am‚ amazed at how profound such an act can be. As a seven year old‚ I was always the clean and well organized girl who was always inside cutting open her stuffed animals and sewing them
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Problem Set Seven Solutions Chapter 9 1. Two car manufacturers‚ Saab and Volvo‚ have fixed costs of $1 billion and constant marginal costs of $10‚000 per car. If Saab produces 50‚000 cars per year and Volvo produces 200‚000‚ calculate the average fixed cost and average total cost for each company. On the basis of these costs‚ which company’s market share should grow in relative terms? Answer: Average total cost is average fixed cost plus marginal cost: ATC = FC/Q + MC. Volvo’s average fixed cost
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Quiz. Evaluate the following problems. Show your solution and encircle your final answer. 1. In a 25-kVA‚ 2000/200 V‚ single phase transformer‚ the iron and full load copper losses are 350 W and 400 W respectively. Calculate the efficiency at unity power factor on a) full load‚ b) half full-load. 2. If P1 and P2 be the iron and copper losses of the transformer on full load‚ find the ratio of p1 and P2 such tat maximum efficiency occurs at 75% full load. 3. A 5-kVA‚ 2300/230 V‚ 50 Hz transformer
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