Unit 1 Problem Set 1 26. Surgery Versus Splints A study compared surgery and splinting for subjects suffering from carpal tunnel syndrome. It was found that among 73 patients treated with surgery‚ there was a 92% success rate. Among 83 patients treated with splints‚ there was a 72% success rate. Calculations using those results showed that if there really is no difference in success rates between surgery and splints‚ then there is about 1 chance in 1000 of getting success rates like the ones obtained
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book at this time. Also I did not make time to use the book in the reading room and the library only had the 3rd edition of the book. So I wrote a summary of the class notes that you had put up on blackboard. Chapter 3 Summaries: Chapter 3 talks about descriptive statistics with numerical measures. These measures consist of location and variability. The measures of locations are mean‚ median‚ mode‚ weighted mean‚ geometric mean‚ percentiles‚ and quartiles. If these measures
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Chapter 13 Problems (2‚ 9‚ 11‚ & 14) 2) Determine the coefficient of correlation and the coefficient of determination. Interpret the association between X and Y. X Y x^2 xy 5 13 25 65 3 15 9 45 6 7 36 42 3 12 9 36 4 13 16 52 4 11 16 44 6 9 36 54 8 5 64 40 39 85 211 378 r = (378) - (39)(85) / 8 = -36.375 √[211 - (39)^2 / 8] *
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FINA 5210 Problem Set 1 (Group 305) Problem 1 (a) WpC=[E(rp)-rf] ÷Aσp2 =6%÷2.5×(20%)2 =60% WfC=100% - 60% = 40% (b) Expected return of Complete portfolio is: rCEc= WpC×E(rp)+ WfC×rf =60%×10% + 40%×4% =7.6% The standard deviation of Complete portfolio is: σc = WpC × σp = 60% × 20% = 12% Certainty-equivalent rate of return for investing in C: rc CE= Uc = rCEc- 1/2Aσc2 = 7.6% - 0.5×2.5×12%2 = 5.8% Certainty-equivalent rate of return for investing in P: rp CE= Up= rCEp- 1/2Aσp2
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Prof. Gustavo Indart Department of Economics University of Toronto ECO 100Y INTRODUCTION TO ECONOMICS Problem Set 1 1. Labour is the only resource in an economy with the following maximum production possibilities. (The graph is drawn as a curve rather than points under the assumption that opportunity cost is constant between options.) Option 1 2 3 4 a) b) c) d) e) f) Clothes (Tons) 50 40 20 0 Food (Tons) 0 30 70 100 What is the opportunity cost of increasing Clothes production from 20 to 40
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Week 4 Homework Solutions: Problem Set 4 1. Determining Profit or Loss from an Investment. Three years ago‚ you purchased 150 shares of IBM stock for $88 a share. Today‚ you sold your IBM stock for $103 a share. For this problem‚ ignore commissions that would be charged to buy and sell your IBM shares. a. What is the amount of profit you earned on each share of IBM stock? The profit on each share of IBM stock was $15. $103 priced when each share was sold‚ $88 priced when each
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Problem 1: A project of equipment purchase of Mekong Company Ltd. has the estimated data as follows: The cost of equipment is USD 12‚000‚ the cost for transportation and installation is USD 1‚000 USD. The asset is depreciated according to a straight line depreciation scheme within 5 years. It is expected that the project can produce and sell 7‚500 units of product at the price of USD 2 per unit‚ for the first year. The operating costs for the first year (excluding depreciation) are estimated
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(6) Introduction Chapters 1‚ 2. Problem set 1.1 a. Give a definition of the process of (economic) globalization. b. For many people‚ however‚ the globalization process is more than just economic globalization‚ and the advantages and/or disadvantages of globalization are spread over a much wider area than just international economics. Give a few examples. 1.2 a. How can globalization and international economic integration be measured (3 indicators)? b. Use the three indicators
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Baldeo Persaud NT 1230 Unit 5 Problem Set 1 Matching Complete the following exercise by matching the terms with their corresponding definitions. a. automated password guessing b. Windows authorization mechanism c. passwords plus smartcards d. stored in a digital certificate e. standard for smart card support f. decrypts data encrypted with a certificate g. firewall exceptions h. standard for fingerprint scanners and other devices i. potentially destructive software j. firewall rule requiring IPsec
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The Problem of Evil: Evil and Omnipotence The argument of whether God exists is an age-old debate‚ both sides attempting to prove their viewpoint‚ but neither having factual proof. Those that argue for the existence of God claim that He is wholly good‚ omnipotent and omniscient. However‚ if that were true and God did possess all three of these attributes‚ how is it that evil exists in the world? There is pain and suffering‚ crime and natural disasters that occur daily. With that being said‚ why
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