Meagan Dubean manages a portfolio of 200 common stocks. Her staff classified the portfolio stocks by 'industry sector' and'investment objective."InvestmentObjectiveGrowthIncomeTotalABElectronicsWhich of the following statements is true?8436120Last saved 2:13:37 PMIndustry SectorElectronics and Growth are independent.Filter (201Electronics and Growth are mutually exclusive.AirlinesGrowth and Healthcare are complementary events.21930Airlines and Healthcare are collectively exhaustive.Electronics and Healthcare are collectively exhaustive.Healthcare351550Total14060200

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Answered: Meagan Dubean manages a portfolio of…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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The following table is of profit, revenue, and number of employees of 10 companies. Profit US $ billion Revenue/employee No. of Employees Exxon Royal Dutch British Petroleum Petrofina SA Texao In Elf Aquitaine ENI Chevron Corp. PDVSA SK 11.7 7.4 4.4 2.3 2.9 0.98 3.4 3.1 4.5 0.125 US$ 96,170 74,288 70,859 67,396 92,102 11,461 37,415 84,615 84,821 4,087 a) For the 10 companies, the mean profit per company is $ (Round answer to one decimal place.) c) The "overall" mean profit per employee is $ (Round answer to nearest whole number.) billion US. b) The "overall" mean revenue per employee (i.e., for all employees of these firms combined) of the 10 companies is US. $ (Round answer to nearest whole number.) 122900 105100 56440 69062 29311 83800 80176 39364 56597 30595 US/employee.
The table below gives the percent of U.S. seniors (aged 65+ years) who used the internet in selected years. Year 2012 2014 2016 2018 2019 % of U.S. seniors using internet 54 57 64 66 73 Use a line of best-fit to predict the percent of U.S. seniors who will use the internet in the year 2022. A. 74 % B.76 % C.77 % D.79 % E.81 %
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3
Statistical Software Section Directions: Please use statistical software to make all the calculations. For parts a) – e) there will be no hand calculations. Please provide all statistical output with this section. 15) The following table gives the total 2004 payroll (on opening day of the season, rounded to the nearest million dollars) and the percentage of games won during the 2004 season by each of the American League teams. Total Payroll |(millions of $) Percentage Winning Team Angels 101 56.8 Orioles 52 48.1 Red Sox 127 60.5 White Sox 65 51.2 Indians 34 49.4 44.4 Tigers Royals 47 48 35.8 Twins 54 56.8 Yankees 184 62.3 Athletics Mariners Devil Rays Rangers Blue Jays 59 56.2 82 38.9 30 43.5 55 54.9 50 41.6 a. Calculate the sample correlation coefficient and interpret. b. Test at the 5% significance level whether there is a positive correlation between payroll and wining percentage for the American League teams. Please set-up the null and alternative hypothesis, state the p-value,…
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Plz answer without plagiarism .is this correct?.

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