Chapter 12 12.4 a x t / 2s / n = 1‚500 1.984(300/ 100 ) = 1‚500 59.52; LCL = 1‚440.48‚ UCL = 1‚559.52 b x t / 2s / n = 1‚500 1.984(200/ 100 ) = 1‚500 39.68; LCL = 1‚460.32‚ UCL = 1‚539.68 c x t / 2s / n = 1‚500 1.984(100/ 100 ) = 1‚500 19.84; LCL = 1‚480.16‚ UCL = 1‚519.84 d. The interval narrows. 12.6 a x t b x t c x t / 2s / / 2s / / 2s / n = 10 1.984(1/ 100 ) = 10 .20; LCL = 9.80‚ UCL = 10.20 n = 10 n = 10 1.984(4/ 100 ) = 10 1.984(10/
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AP Statistics Chapt. 6 Wksht Name__Solutions_______________ Date_________________________ Answer the following questions from the given situation. Suppose a Normal model describes the fuel efficiency of cars currently registered in your state. The mean is 24 mpg‚ with a standard deviation of 6 mpg. -3σ - 2σ -1σ μ 1σ 2σ 3σ 1. Sketch the Normal model (label). 68% 95% 99.7 % 2. What percent of cars get less than 15 mpg? 15 24 z 1.5 P(y<15)=P(z<-1.5)=6.7% 6 12 18 24 30 36 42 6 3. What percent
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relationship and history within them. Love is the most important key in life and without it life would be very dismal. For many people their companion is their best friend‚ normally referring to their pet. A companion is someone who will stand by your side no matter what and always be there for you when the times are tough. For the people of Dampier Red wasn’t only a companion or a friend he was a way of life. The relationship formed between Red and his true master John was a bond that was irreplaceable
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The Simple Solution to Condensing‚ Viewing and Organizing computer files. Things to consider before beginning: Consider what functions you want to perform with your files. Why are you organizing Do you want to condense information for mainly storage purposes‚ rather than for everyday usage? If so‚ see Section B. If you want to organize your information into "file cabinets" which you can access easily‚ quickly view‚ and work from what is contained within‚ see Section A. Section A:
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76 CHAPTER 7 CURRENCY FUTURES AND OPTIONS MARKETS This chapter describes foreign currency futures and options contracts and shows how they can be used to manage foreign exchange risk or take speculative positions on currency movements. It also shows how to read the prices of these contracts as they appear in the financial press. SUGGESTED ANSWERS TO CHAPTER 7 QUESTIONS 1. On April 1‚ the spot price of the British pound was $1.86 and the price of the June futures contract was $1.85. During
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Does Your Degree Affect Your Future Job? Everyone sets goals for themselves in order to attain the most important goal of all: to get somewhere in society. Many people believe the only way to get anywhere is to have a good job and to earn a lot of money from it. Nowadays‚ higher education is becoming a desirable quality employers like to see on their future employees’ applications. How much value does your degree hold in the eyes of your future boss? Opinions of the value of higher education vary
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the future will use computers instead of printed books. Although electronic books have not been widely accepted yet‚ they have certain advantages over traditional paper volumes. But will they be able to replace printed books? In my opinion‚ students will be widely using computers for studying in the future. To begin with‚ computers can store lots of books in their memory and modern software allows us to find quickly the necessary information. Besides‚ with the interactive programs on computers studying
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Essay: «Are you an optimist or a pessimist about your future» Optimists believe in surpassingly fair and god-blessed future‚ meantime pessimists prophesy that we should expect nothing but trouble in the future. Both opinions go from one extreme to another. It is just conceivable the truth lies somewhere in the middle. At least once every human was plainly perplexed by the ultimate questions of existence‚ the meaning of life and future. While the first two subjects may be light-heartedly brushed
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Factors that contributes to happiness in your future career Some people think that happiness is everything. It’s the meaning of life. No matter what you’re into‚ what you do. If you’re happy‚ you’re living. Thus happiness is like the purpose of life that makes its sense. Obviously‚ every person desires to be cloaked in happiness in all spheres of life. And‚ doubtless‚ one of the most important sphere we want to feel comfortable in and pleasure from is work. However‚ happiness isn’t a self-creating
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1. Introduction The term experiment is defined as the systematic procedure carried out under controlled conditions in order to discover an unknown effect‚ to test or establish a hypothesis‚ or to illustrate a known effect. When analyzing a process‚ experiments are often used to evaluate which process inputs have a significant impact on the process output‚ and what the target level of those inputs should be to achieve a desired result (output). Experiments can be designed in many different ways to
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