Observations and Questions [7] What happens to the pH of the water as.pdf

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Observations and Questions [7] What happens to the pH of the water as you add drops of the base solution (Data Table IV)? What is the chemical basis of this change in the pH of the water as base is added (i.e. what is happening to the H+ ion concentration)? Answer:.

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12.16 In each parts (a)-(c), we have given the likely range for the observed value of a sample proportion. Based on the given range, identify the educated guess that should be used for the observed value of p to calculate the required sample size for a prescribed confidence level and margin of error. a. 0.4 to 0.7 b. 0.7 or greater c. 0.7 or less d. In each parts (a)-(c), which observed values of the sample proportion will yield a larger margin of error than the one specified if the educated guess is used for the sample size computation? Solution I have not heard of this term educated guess in thiscontext. There is a term, conservative estimate, which would be thenumber that you enter into the SD formula for proportions so thatthe SD is maximized. SD = [p(1-p)] So the conservative estimate for the SD is to let p =0.5. The sample size formula is: z1-/2 = / SE(phat) whichimplies below n = (z1-/2)2p(1-p) /2 In part a) p = 0.5. In part b) p = 0.7. In part c) p = 0.5. By using these numbers, we would get an upper bound in findingthe sample size calculation. However, my guess of the definition of an educatedguess is probably not right, because part d asks for what values ofthe sample proporiton will yield a larger margin or error. I\'musing the values of p that would guarantee the largest marginof error. Send me a PM for post a clarification asto the definition of an educated guess. Thanks, Mike.

12.6 What are the three different F statistics in a two-way ANOVA.pdf

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12.(a) What is ethics? Explain b) What are the advantages and disadvantages in making unethical decisions as a manager of a corporation that trade stocks and bond in the open public? Solution The advantage and disadvantage in making unethical decisions as a manager of stock trading company are given below: Advantage: The manager of such a corporation has access to all the relevant information. Thus, he or she partakes in a low-risk, high-reward practice, which can reap significant financial rewards. Disadvantage: An unethical decision making may cause legal trouble to the manager. Making unethical use of proprietary information is considered illegal and the manager may end up spending years in prison..

12.A coin with a probability p of heads is tossed independently n t.pdf

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12.1 You are involved in the planning process for a fi rm that is expected to have a large increase in sales next year. Which type of fi rm would benefi t the most from that sales increase: a fi rm with low fi xed costs and high variable costs or a fi rm with high fi xed costs and low variable costs? Solution When sales will increase the firm with having less variable cost and high fixed cost will gain more since high fixed cost will be recovered first then high sales will enhance profit as the variable cost is lower. Ans: The firm benefit the most = a fi rm with high fi xed costs and low variable costs.

12.7=7 b What property does this equation illustrate What is the pr.pdf

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12....... In the economy of UNAM in 2012 exports were $35, GDP was $233, imports were $46, government spending was $55 and consumption was $77. What was UNAM\'s investment in 2012? Solution Ans) Since, GDP = C + I + G +(Ex - Im) where, GDP is the Gross Domestic Product (Ex-Im)= Net exports = (Exports - imports) C = total spending by consumers I = is total Investment (spending on goods and services) by business G = total spending by Government Now we have, GDP = C + I + G +(Ex - Im) Thus, $233= $77+ I + $46 + ( $35 - $46) I = $233-$77-$46 - $35 + $46 I = $121.

12 identical blackboards are distributed among 5 schools. Find the p.pdf

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12 identical blackboards are distributed among 5 schools. Find the probability that the first school receives 2 blackboards and each of the other 4 schools has to receive at least 1 blackboard. Solution total no of ways of distributin 12 identical objects among 5 peolpe is (12+5-1)C12= 16C12. also after giving 2 blackboard to 1st school and giving 1 each to the left four schools we are left with 6 blackboards. now these 6 blackboards are to be distributed among the rest 4 schools. so number of ways of doing this is (6+4-1)C6=9C6. so the prob is 9C6/16C12.

11.Which of the following is Falsea.Bonds backed by an insurance .pdf

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11.Which of the following is False? a.Bonds backed by an insurance company have zero credit and interest rate risks. b.Counterparty risk is the risk that the counterparty will be unable to live up to its contractual obligations. c.In an OTC call option contract there is considerable concern with counterparty risk because the issuer of the call option may not deliver payments in case of loss. d.Investors in coupon bonds face a reinvestment risk. e.Reinvestment risk for callable bonds is greater than for non-callable bonds, ceteris paribus. Solution The following statement is false: Bonds backed by an insurance company have zero credit and interest rate risks. Insurance companies are in the business of assuming risk for individuals and institutions. They manage those risks by diversifying over a large number of policies, perils and geographic regions. Therefore, it is wrong if we say that there is zero credit and interest rate risks in the Bonds backed by an insurance company..

12 marbles are in a bag, 8 are red and 4 are green. 1. If you re.pdf

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12-5How can a PERT network be used to increase functional ability to.pdf

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12-5How can a PERT network be used to increase functional ability to relate to the total program? Solution PERT or program evaluation review technique, is a project management tool. This tool is used to schedule, organize and co-ordinate tasks within a project. A PERT network chart graphically illustrates a project as a network diagram. The illustration clearly points out the events in the project linked by representing tasks. If a task has to be completed in sequence, it is called dependent tasks. If projects are not dependent, but can be completed simultaneously, they are called concurrent tasks. Thus PERT creates a clarity about the project, thus increasing efficiency and productivity. For each activity, early start or late start or slack is identified. PERT helps in the identification of the critical path. Moreoever, the large project data can be simply and easily presented in diagram form. All these contributes to increasing functional ability related to the total program..

11.6 The null hypothesis for ANOVA posits no difference among population means, as in other hypothesis tests, but the research hypothesis in this case is a bit different. Why? Solution The research hypothesis states that at least two of the means differ, but it does not indicate which ones. Post-hoc tests can then be used to determine more in the case you reject the null hypothesis in the initial ANOVA. In fact the research hypothesis for ANOVA doesn.

11.50 Does the black grease beneath football playersSolution .pdf

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11.5. What is meant by a reduced form of (regression) equation What.pdf

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11.5. What is meant by a reduced form of (regression) equation? What is it use? 11.16. Consider the following two-equation model: Y1t = A1 + A2Y2t + A3X1t + u1t Y2t = B1 + B2Y1t + B3X2t + u2t Where the Y Solution Q.11.5. In regession analysis, one tries to find out relationships between two or more variables where some variables are endogenous and others are exogenous variables. Variables are endogenpus when there a correlation exists between the variable and error term. Whereas, exogenous variables are external variables. When an regression model/equations is find out through statistical measure and any smaller set of equation is formed from the model, it is known as reduced firms of equation. In other words, the reduced form of a system of equations is the result of solving the system for the endogenous variables. The reduced forms of equations are used to find out the value of endogenous variables along with other variables..

11.44 Focusing on coverage of the 2004 U.S. presidential election, .pdf

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11.44 Focusing on coverage of the 2004 U.S. presidential election, Julia R. Fox, a telecommunications professor at Indiana University, wondered if The Daily Show, despite its comedy format, was a valid source of news. She coded a number of half-hour episodes of The Daily Show as well as a number of half-hour episodes of the network news (Indiana University Media Relations, 2006). Fox reported that the average amounts of Solution (a) The dependent variable is the amount of video and audio substance, and the independent variable is the type of show (Daily Show, News) (b) We would use (c) The change would be that now the independent variable has 3 levels (Daily Show, Network news, CNN news). We would now test.

11.3Han Lee Furniture, Inc, spends 50 of its sales dollars in the.pdf

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Of all the murder victims in 2010 whose relation to the oftender was .pdf

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Oakwood Properties bought three lots in a subdivision for a hump-.pdf

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Oakwood Properties bought three lots in a subdivision for a hump-sum price. An independent appraiser valued the lots as follows Ei.: (Click the icon to view the values) Oakwood paid $320.000 in cash Record the purchase in the journal, identifying each lot's cost in a separate Land account. Round decimals to two places, and use the compute percentages throughout (Record a single compound jourmal entry Record debils first, then credils. Select the explanation on the last line of the journal entry table) Data table.

Nursing management and leadership Create a three-fold brochure that.pdf

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Number of social media users before and during the COVID-19 crisis. D.pdf

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Number of social media users before and during the COVID-19 crisis. Data source: Statista: Internet > Facebook: number of monthly active users worldwide 2008-2020 Twitter: number of monthly active users 2010-2019 Standard Guideline: You should organize your assignment as follows: 1. Introduction 2. Theoretical Background 3. Data and Variables (Include what are the variables you have applied in this research. Write in this section - where have you collected data for each variable, i.e., data source? How many years of data you are using data for analysis? etc.) 4. Data Analysis (Draw and explain figures. Do you see any theory that matches your research outcome? If yes, what theory? Is it the Law of Demand? Or it does violate the Law of Demand. If it does, why? Give your opinion.).

Nuclear power The following table presents the number of nuclear rea.pdf

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Note the stages of development below. Which of the following represen.pdf

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Normally the antigens that thymocytes are exposed to are self protein.pdf

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Nonuniform Inputs, Weighted Average Carter Inci had the following pro.pdf

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Nonuniform Inputs, Weighted Average Carter Inci had the following prodixtion and cost indormation for its fabrication department during Agrit (with materials added at the begining of the fabricacion process): Carter ines the weighted werage methoid Hecisicil: 1. Prepare an eguivalent uniti sphedule. 1. Prepare an equivalent unaits schedule. Carter Ine. Schiedule of Equivalent Units (Weighted Average Method) 2. calculate the unik coot. Faund all intormediate calculations and final answee to the nearest ceat. percint.

Node.id with the value in n, and deletes (int n ) for a Doubly lonked.pdf

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nited Express Service (UES) uses large quantities of packaging materi.pdf

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nited Express Service (UES) uses large quantities of packaging materials at its four distribution hubs. After screening potential suppliers, UES identified six vendors that can provide packaging laterials that will satisfy its quality standards. UES asked each of the six vendors to submit bids to satisfy annual demand at each of its four distribution hubs over the next year. The following table sts the bids received (in thousands of dollars). ES wants to ensure that each of the distribution hubs is serviced by a different vendor. Which vendors should UES select to supply each distribution hub? (Enter the number "0" when a vendor does th ship to a hub.) Martin, Schmidt, Miller, D\&, Larbes, Lawler) =( hat is the total cost (in dollars) of the accepted bids?.

Net income was $206,500 for the year. Throughout the year the company.pdf

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Next TW0 questions are related to the following sample data lane, a .pdf

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Next TWO questions are related to the following sample data ane, a s.pdf

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New research on the tree of life has suggested a shift from the class.pdf

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New research on the tree of life has suggested a shift from the classic three domains of life hypothesis. (Bacteria, Archaea, Eukarya). Which of the following are currently thought to be true? [select two] Eukaryotic nuclear genomes share a more recent common ancestor with present day archea than with present day bacteria The ancestor of plants has undergone three separate endosymbiosis events Bacteria and Archaea are not related Eukaryotic mitochondrial genomes share a more recent common ancestor with present day bacteria than with present day archaea.

Nicholas Copernicus introduced to astronomy a new model of the heaven.pdf

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Nicholas Copernicus introduced to astronomy a new model of the heavens known as the heliocentric model (where he held the Sun in a fixed position rather than Earth). Copernicus's heliocentric system was not born in isolation father it was the integration of many views, models and theorems that had preceded and greatly influenced its author. He was motivated by the flaws he discovered in the Ptolemaic Greek astronomical models to develop a new system free of such inadmissible mistakes. He devoloped a mathernatically harmonious systerm in a sense that he eliminated the arbitrary mathematical representations of the Ptolomaic Greek system. II was this mathematical harmony that made Copernicus's work credible in the eyes of his colleagues in the 16hn century (not that he held the Sun fixed). They demonstrate Copernicus's indebtedness to earlier Istamic astronomers who preceded him in developing the mathematical theorems that he used. This is illustrated by the centrality and the degree of assimilation of these theorems and models in his work. Three important Muslim astronomers are important in relation to Copemicus: Nasir al-Din al-Tusi, Mu'ayyad al-Din al-Urdi and lbn al-Shatir. Research the connections between one of these Muslim astronomers and Copernicus, and discuss the importance of the work of al-Tusi, al-Urdi andlor lbn al-Shatir as a stepping stone in the development of mathematical astronomy..

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