Also‚ differentiate between Top-down and Bottom- up design with the help of a suitable example. 7 . Differentiate between Decision Support System (DSS) and Expert System. Also‚ write the main characteristics of both. 8 . Suppose you are given a relation R= (A‚ B‚ C‚ D‚ E) with the following functional Dependencies: {BC! ADE‚ D! B}. a. Find all candidate keys. b. Identify the best normal form that R satisfies (1NF‚ 2NF‚ 3NF‚ or BCNF). c. If the relation
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Calculate the total equity of the firm. 3. Your parents just gave you a gift of $15‚000. You are investing this money in a bank account for 12 years at a 5% interest rate per year. a. Suppose bank pays you simple interest over that time period. Calculate the amount of money you will have at the end of 12 years. b. Suppose bank pays you compound interest over that time period. Calculate the amount of money you will have at the end of 12 years. c. Calculate the amount of interest you earned on the
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Chapter 4: Costs and Cost Minimization Multiple Choice 1. Suppose you are a star basketball player at a major university in your sophomore year. You are sought after by several NBA teams. Which of the following choices best characterizes your opportunity cost if you choose to drop out of college and enter the NBA? a) The value of your college scholarship that you have given up. b) The skills that two more years of playing at your college would have given you along with their additional value
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Finance 7A10 Solutions: End-of-Chapter questions Chapter 7 (2nd Edition) Questions are: 2‚ 9‚ 15 7-2. Kokomochi is considering the launch of an advertising campaign for its latest dessert product‚ the Mini Mochi Munch. Kokomochi plans to spend $5 million on TV‚ radio‚ and print advertising this year for the campaign. The ads are expected to boost sales of the Mini Mochi Munch by $9 million this year and by $7 million next year. In addition‚ the company expects that new consumers
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1 Chapter 4.1 Marginal Functions in Economics ___________ Cost: Suppose that C ( x ) describes the cost function for producing x number of a certain product. Then the ___________ cost is the derivative of the cost function‚ C ( x) ‚ and measures the rate of ________ of the cost function ______________ the number of units ______________. Note 1: The marginal cost for a particular value of x is the ___________ cost of one __________ unit of production. ___________ Revenue Function: R( x) px
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University of Toronto ECO333–Urban Economics Problem Set 2 Due: 24 October 2014 1. Question 2.1 from Brueckner (p. 250) (book available at http://go.utlib.ca/cat/8842730). 2. (a) Suppose the city fathers in a small Midwestern town‚ which was started over 100 years ago as a county seat‚ originally zoned all residential lot sizes in the town to be the same size. All work takes place either at the county seat building on the square in the middle of town or at shops adjacent to the square. Everyone drives
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Book of Proof Richard Hammack Virginia Commonwealth University Mathematics Textbook Series. Editor: Lon Mitchell 1. Book of Proof by Richard Hammack 2. Linear Algebra by Jim Hefferon 3. Abstract Algebra: Theory and Applications by Thomas Judson Department of Mathematics & Applied Mathematics Virginia Commonwealth University Richmond‚ Virginia‚ 23284 Book of Proof Edition 1.0 © 2009 by Richard Hammack This work is licensed under the Creative Commons Attribution-No Derivative Works 3.0 License
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conducted a national survey of small business owners to determine the challenges for growth for their businesses. The top challenge selected by 46% of the small business owners was the economy. A close second was finding qualified workers (37%) .Suppose 15% of the small business owners selected both economy and finding qualified workers as challenges for growth .A small business owner is randomly selected. a)what is the probability that the owner believes the economy is a challenge for the
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= 0.9 1. A large class took two exams. Suppose the exam scores X (Exam 1) and Y (Exam 2) follow a bivariate normal distribution with µ 1 = 70‚ µ 2 = 60‚ σ 1 = 10‚ σ 2 = 15‚ ρ = 0.6. a) A students is selected at random. What is the probability that his/her score on Exam 2 is over 75? b) Suppose you’re told that a student got a 80 on Exam 1. What is the probability that his/her score on Exam 2 is over 75? c) Suppose you’re told that a student got a 66 on Exam 1
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an in-depth understanding of individual risks? Which requires a detailed knowledge of the correlation between risks? 3. Explain in plain words the meaning of delta hedging. 4. Explain the difference between hedging‚ speculation‚ and arbitrage. 5. Suppose the true loss is heavy-tailed‚ while we calculate Value-at-Risk (VaR) by assuming it is normally distributed. Is the true VaR underestimated or overestimated? Why? 6. In general‚ does VaR satisfy risk diversification? If we assume that P&L’s follow
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