Chapter 2 The Relational Model 1: Introduction‚ QBE‚ and Relational Algebra Solutions Answers to Review Questions Note: Answers to odd-numbered review questions are found in Appendix D of the textbook. 1. A relation is a two-dimensional table in which (1) the entries in the table are single-valued; (2) each column has a distinct name; (3) all of the values in a column are values of the same attribute; (4) the order of the columns is immaterial; (5) each row is distinct; and (6) the order of
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> # Ho’s Maple Lab Test Solution: Semester 1 2012 (1) # Question 1; > evalf(100*sin(95)‚38); 68.326171473612098369957981656827095404 > # Queston 2; > f:=x->3*sin(1/4*x^4)-sin(3/4*x)^4; (2) > # Find 1st derivative; > D(f); (3) > # Find turning/stationary point in the interval [1‚2]‚ 1st derivative expression = 0‚ 10 significant figures!; > evalf(fsolve(3*cos((1/4)*x^4)*x^3-3*sin((3/4)*x)^3*cos((3/4)*x)= 0‚x=1..2)‚10); 1.562756908 (4) > # Find 2nd derivative at x= 1.562756908; 10 significant
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Economics 203 Syllabus APLIAEconomic Statistics II Sections AL1‚ BL1 Fall 2013 Instructor: Office: Phone: e-mail: Office hours: Lecture hours: Lecture Section: Lecture Location: Professor Joseph A. Petry 116 David Kinley Hall 333-4260 jpetry@illinois.edu Wed 10:15 – 11:15 M/W 3:00 – 3:50 (AL1); M/W 4:00 – 4:50 (BL1) AL1‚ BL1 141 Wohlers Hall Lab Time: Lab Days: Lab Location: TA Office Hours: TA Contacts: Head TA Varies by TA section Thursday / Friday 901 W. Oregon
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PART A Courts all over the world have set precedence’s of treating directors as trustees which means in the performance of their assigned legal and corporate duties‚ they stand in a fiduciary relation to the shareholders of the company. A director as a trustee shall act in the best of his ability to benefit the company and not in furtherance of his own interest. Each of the four directors of the company stand in a fiduciary position to the company and thus liable for their acts of omission and
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Hieu Nguyen – FIN 5309 Section 1 Assignment 1 2.3 Table 2.2 X=0 X=1 Total Y=0 0.15 0.07 0.22 Y=1 0.15 0.63 0.78 Total 0.30 0.70 1.00 With W = 3+6X and V = 20-7Y‚ we have: (W|X=0)=3 (W|X=1)=9 Total (V|Y=0)=20 0.15 0.07 0.22 (V|Y=1)=13 0.15 0.63 0.78 Total 0.30 0.70 1.00 a. E(W) = 3 x 0.3 + 9 x 0.7 = 7.2 E(V) = 20 x 0.22 + 13 x 0.78 = 14.54 b. = (3 – 7.2)2 x 0.3 + (9 - 7.2)2 x 0.7 = 7.56 = (20 – 14.54)2 x 0.22 + (13 – 14.54)2 x 0.78 = 8.4084 c. cov
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Q.1a) The following graph is EOQ model with planned shortages. Let the parameters from the basic EOQ model. d = constant demand rate K = setup cost for placing one order Q = order quantity h = inventory holding cost per unit of product per unit of time p = shortage cost per unit of product per unit of time S = inventory level just after an order of size Q arrives So‚ Q– S = Shortage in inventory just before an order of Q units is added Production or ordering cost per
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Problems Q.1 Consider a five-year coupon bond with a face value of $1000 paying an annual coupon of 15%. (i) If the current market yield is 8%‚ what is the bond’s price? (ii) If the current market yield increases by 1% what is the bond’s new price? (iii) Using your answers to part (i) and (ii) ‚ what is percentage change in the bond’s price as a result of 1% increase in interest rates. Q.2 Consider the following FI balance sheet: M. Match Ltd Assets | Liabilities | 2 –year Treasury bond
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The Financial Detective‚ 2005 proportion Financial characteristics of companies vary for many reasons. The two most promi_ nent drivers are industry economics and firm sfategy. Each industry has a financial norm around which companies within the industry tend to operate. An airline‚ for example‚ wourd naturary be expected to have a high of fixed assets (airplanes)‚ manufacturer would be expected to have a lower gross margin than a pharmaceutical manufacturer because commodities such as
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1. The simplest and least expensive way to conduct international business is through: a. foreign licensees. b. the World Wide Web. c. joint ventures. d. trade intermediaries. 2. In a ________‚ two or more AMERICAN small businesses form an alliance for the purpose of exporting their goods abroad. The companies get antitrust immunity and share responsibility for the business equally. a. foreign joint venture b. trade intermediary c. export ventures d. export management company
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Q1. Based on the data in case Exhibit I‚ what inferences can be drawn from the survey responses regarding the herbal shampoo category? As per Exhibit 1 the following inferences can be drawn from the survey regarding herbal shampoo category: * The respondents felt that herbal shampoos need to be used in large quantity for lather and that the protein content is important for making hair strong‚ shiny and soft. * Respondents chose their shampoo based on their hair type and texture. * They feel that
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