In 2009, AppleSolution In an agricultural re.pdf

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An agricultural report analyzed the correlation between total debt and total income for farms in seven states for a recent year. The report included a table showing the total debts and total incomes in millions of dollars for each state. At a significance level of 0.05, there is not enough evidence in the data to support the analyst's claim of a correlation between debt and income for farms.

In 2009, Apple
Solution
In an agricultural report, a commodities analyst suggests that there is a correlation
between debt and income in the farming business. The table shows the total debts (in millions of
dollars) and total incomes (in millions of dollars) for farms in seven states for a recent year. At ?
= 0.05, is there enough evidence to support the analyst

With n = 11 and p = 0.3, find the binomial probability P(5) by using a binomial probability table. (b) if np ? 5 and nq ?5, also estimate the indicated probability by using the normal distribution as an approproximation to the binomial; if np < 5 or nq < 5, then state that the normal approximation cannot be used. (a) Find the probability by using a binomial probability table. P (5) = (round to three decimal places as needed.) (b) Select the correct choice below and if neccessary, fill in the answer box to complete your choice. A. P(5) = (Round to four decimal places as needed) B. The normal distribution cannot be used. Answer Letter \"B\" only and show work,please. Solution Answer B) Since np= 11*0.3= 3.3 which is less than 5 normal approximation cannot be used.

with the answer rounded to four decimals a horse race has 13 entrie.pdf

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With n=14 and p=0.3, find the binomial probability P(6) by using a binomial probability table. P(6)= (Round to the three decimal) Also, If np is greater than or equal to 5 and nq is greater than or equal to 5, estimate the indicated probability by using the normal distribution as an approximation to the binomial. Solution for n=14 ,p=0.3,r=6 here r is the success here we want to calculate probability of getting 6 success out of 14 trial having chance of success is 30 % in each trial so using binomial distribution p(6)= 14C6 *p^6*(1-p)^(14-6)= 14C6*p^6*(1-p)^8 = 14C6*(0.3)^6*(0.70)^8 P(6)=0.126202 ( using table) np=14*0.3=4.2<5 nq=14*0.7=9.8>5.

Wireless local-area networks (LANs) have greater risks than wired LA.pdf

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wireless electricity essay in 2000 words Solution wireless electricity is the method of transmission of electricity without the use of man-made conductors. This is a modern and hi-tech way of transmitting electrical energy. It is mostly used in cases when it is difficult or impossible to transfer electricity using traditional methods. Generally conducting wires are used to transmit electricity over an area. Wireless electricity implemented by different methods 1.Inductive coupling 2.Radio frequency harvesting 3.Magnetically coupled resonance One of the most common ways of achieving wireless transmission of electricity is direct induction and resonant magnetic induction. There are other ways of achieving this too, like electrical conduction and electromagnetic radiation. In direct induction, two conductors are coupled such that changes in current in one conductor induces voltage in the other conductor.This happens due to electromagnetic induction. Transformers use this method. In resonant magnetic induction, the energy is transferred between two wires which are tuned at the same frequency. The machine used for this purpose is known as resonance transformer. These two methods done in the given order help in transmission of electricity in wireless fashion. Electromagnetic radiations used are microwaves or lasers. Electromagnetic induction can also be used for wireless transmission. It can be magnetic or capacitive in nature. Capacitive coupling is also known as an electrostatic induction method. With laser or microwave method, power transmission can be made more directional. In systems of coupled resonances, there is often a general \"Strongly Coupled\" regime of operation. If one can operate in that regime in a given system, Midrange power transfer implemented in this way can be nearly omni directional and efficient, irrespective of the geometry of the surrounding space, with low interference and losses into environmental objects. The above considerations apply irrespective of the physical nature of the resonances. Magnetic resonances are particularly suitable for everyday applications because most of the common materials do not interact with Magnetic Fields, so interactions with Environmental objects are suppressed even further. We were able to identify the strongly coupled regime in the system of two coupled magnetic resonances by exploring Non-radioactive (near-field) magnetic resonant induction at Megahertz frequencies. Why wireless electricity needed Now a days there is a Rapid development of autonomous electronics like laptops, cell-phones, house-hold robots and all the above devices typically rely on chemical energy storage(Battery) .As they are becoming daily needs to present generation, Wireless energy transfer would be useful for many applications as above and they need midrange energy. Currently, wired electricity powers nearly everything. It travels through wires in the form of Alternating Current, and powers most of our devices in .

with a 0.1 level of significance and a Standard deviation of 13, How.pdf

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with a well-designed sample survey, the sample percentage is very li.pdf

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With a perfectly balances roulette wheel, in the long run, red numbers should turn up 18 times in 38. To test its wheel, one casino records the results of 3,800 plays, finding 1,890 red numbers. Is that too many reds? Or chance variation? (a) Formulate the null and alternative hypotheses as statements about a box model. (b) The null says that the percentage of reds in the box is _____. The alternative says that the percentage of reds in the box is ______. Fill in the blanks. Solution Ho: p=18/38 H1: p18/38 Test statistic: z = (p_hat - p)/sqrt(p(1-p)/n) = (1890/3800 - 18/38)/sqrt((18/38)*(1-18/38)/3800) = 2.92 p-value = 2* z(2.92) = 2*0.0017 = .0034 Reject Ho since p-value is less than =0.05. The sample indicates that there were too many reds..

Wilma just sold the shares of International Inns stock that she owed.pdf

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Wilma just sold the shares of International Inns stock that she owed for $156 per share she purchased the stock one year ago for $150 per share. If Wilma did not receive any dividend payments during the year, what yield did she earn on her investment? Solution If Wilma did not receive any dividend payments during the year, what yield did she earn on her investment? Ans) Yield she earn on her investment = (156-150)/150 * 100 = 4%.

Willy, Nellie, Janis, Anmie, and Bob work for a group within a compa.pdf

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In 2012, the Commonwealth of Virginia contemplated outsourcing the management of its port to private operators. Most large ports in the U.S. (L.A.,Seattle, NY/NJ) have one or more private firms managing and operating them. Ultimately, Virginia decided not to privatize its port management. (a)Why might a private operator generate better results than a public sector operator? (b)A private operator has to pay for the right to operate a port. If you are in charge of a port, perhaps L.A., how would you determine the right amount of money to charge the private operator? (c)How could you structure the contract so that the private operator has an incentive to do well and L.A. will also do well at the same time? Solution (a) Operations and Managemnet of ports are businesses in their own right and should be managed to achieve optimal utilization of capital. Investments in port assets are affected by risk, competition for land and capital, or other factors in the competitive business environment. Subsidies and government-provided incentives distort the allocation of resources for port development and may result in over- or underinvestment. Therefore, private operators may generate better results than a public sector operator. (b) For determing the right amoount of money to be charged to private operators, an authority of port has to consider numerouos factors that may affect the interport competition. Such as geographical location including Proximity to one or more major maritime routes, natural deep water, good protection against waves and currents, large waterfront and landside expansion possibilities, proximity to major production or consumption areas, good hinterland connections (road, rail, pipeline, and waterway) with high frequency service offering good connectivity. Types of cargos handled at the port, Institutional structure and socioeconomic climate are other factors that measures the benefits for the operators. Besides costs will also be determined and then a match between them is found to get the right amount of charge. (c) The contract would include some government interventions to improve the public goods, that are inherently nondivisible and nonconsumable, such as public safety, security, and a healthy environment. Investments would be made by the public in port assets that have strong direct and indirect multiplier effects on the entire national economy and, further, that the commitment of public resources would be made available to encourage coinvestment by the commercial and industrial sectors..

In 2012 Annie invests $55,000 in an activity for which she is not a .pdf

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In 2012 Annie invests $55,000 in an activity for which she is not a material participant. Annie has no other sources of income. Annie\'s losses from the activity are as follows: Income/(Loss) 2012 ($45,000) 2013 ($20,000) 2014 $30,000 Calculate Annie’s deductible loss, basis, and any losses suspended under the at-risk and/or passive activity loss rules each year. Solution As Tonu is not a material participant, the basis will be Year 1 55000 Year 2 10000(55000-45000) Year 3 -10000(10000-20000) The risk will be 2012 55000 2013 10000 2014 (10000).

In 2011, the government of Greece ran into severe financial difficul.pdf

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In 2011, the government of Greece ran into severe financial difficulties. For years, the Greek government had spent much more than it had received in tax revenue, financing the substantial budget deficits by borrowing. If Greece had had its own currency, rather than being part of the euro area, how could that help Greece solve the problem? (Make sure you state your intuition) Hint: Using Open Economy Solution Euro zone as a monetary union which takes the most extreme form of fixed exchange regime. If Greece continues following fixed exchange rate, it will be unable to adjust its exchange rate in accordance to its budget. It will lose its flexibility to operate in the market and adjust its finances. However, had the country had its own currency, it would have helped itself out of the deficit by adjusting the exchange rate and thus money inflow..

In 2001, 34.6 of European citizens stated they had been the victim .pdf

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In 2001, 34.6% of European citizens stated they had been the victim of identity theft. You conduct a follow-up survey and determine that 40 were victims of identity theft out of 150 European citizens in 2004. What is probability that no more than 40 people will be victims of identity theft? Is this unusual? Solution mean =n*p=150*.346=51.9 variance=n*p*1-p=33.94 sd=5.82 P(X<40)=(40-51.9/5.82)=(-2.04) =.0207.

In 1974, there were 17 countries that had at least One nuclear react.pdf

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In 1974, there were 17 countries that had at least One nuclear reactor installed and operating. The mean and standard deviation of the numbers of nuclear power reactors for 17 countries are 7.5 and 11.1 respectively. A. The USA had 42 operating nuclear power reactors. Do you think any country had more? Why? B. Do you think the data are symmetric or skewed? Solution Z =(42-7.5)/(11.1/17) = 12.815 P(Z > 12.815) =0 So, no country had more. symmetrical.

In 1948 Claude Shannon quantified information asSolutionDescr.pdf

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In 1948 Claude Shannon quantified information as: Solution Description: Basically in a message we get information. But getting such information is probability oriented. It means we expect to get such and such information. There is no surprising act. But if there is any surprise of getting unexpected information, then this is not probability oriented. It means, there was no probability in the mind of recipient of getting such information. Therefore, Surprise and probability are inversely related. More surprise indicates less probability. Beyond information: This description is beyond the defination of information. This is the mathematical exposure of information and probability. Quantify: Information is quantified by recipient\'s surprise. More surprise means more information..

Importance of IA functionKey concepts of independent and objectivi.pdf

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Importance of IA function Key concepts of independent and objectivity Idea of governance of risk control 3 functions Assurance and consulting difference Roles of the Board, Senior management, Internal Audit, External Audit pertains internal control The responsibilities of CAE The component of ERM, Role of IA in ERM(Inferent Risk, Controllable Risk and Residual Risk) What are segment of duties Difference between Risk appetite, Risk response and Risk assessment What are the different types of controls Solution Answer:The Importance of IA function are Key concepts of independent and objectivity:Members and Candidates must use reasonable care and judgment to achieve and maintain independence and objectivity in their professional activities. Members and Candidates must not offer, solicit, or accept any gift, benefit, compensation, or consideration that reasonably could be expected to compromise their own or another\'s independence and objectivity. The difference between Risk appetite, Risk response and Risk assessment: Both risk appetite and risk tolerance set boundaries of how much risk an entity is prepared to accept. Risk appetite is a higher level statement that considers broadly the levels of risks that management deems acceptable while risk tolerances are more narrow and set the acceptable level of variation around objectives. For instance, a company that says that it is does not accept risks that could result in a significant loss of its revenue base is expressing appetite. When the same company says that it does not wish to accept risks that would cause revenue from its top-10 customers to decline by more than 10% it is expressing tolerance. Operating within risk tolerances provides management greater assurance that the company remains within its risk appetite, which, in turn, provides a higher degree of comfort that the company will achieve its objectives. A risk assessment is a systematic examination of a task, job or process that you carry out at work for the purpose of; Identifying the significant hazards that are present (a hazard is something that has the potential to cause someone harm or ill health). The different types of controls are:.

Important to reference, main referencing styles and role of bibliogr.pdf

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Important to reference, main referencing styles and role of bibliography? Solution Referencing can be described as a system that is used in academic community to tell where the theories, ideas, facts and quotes can be found for reference. The main referencing styles are as follows: A bibliography can be defined as a list of articles, manuscripts, books and government documents that are arranged and described in a systematic order. Role of Bibliography:.

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In 2000, in Country A, the average family net worth was $410,000, an.pdf

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In 2000, in Country A, the average family net worth was $410,000, and there was about 6.1 x 10^7 families. Calculate the total family net worth Country A in 2000. Country A\'s total family net worth is what in dollars? Solution To get the total net worth, simply multiply the average net worth by the number of families. Using scientific notation, 410,000 = 4.1*10^5 (4.1*10^5)*(6.1*10^7) = 4.1*6.1 * 10^12 = 25.01 * 10^12 = 2.5 * 10^13 (Rounded to the nearest tenth).

In 1895 an Italian criminologist, Cesare Lombroso, proposed that blo.pdf

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In 1895 an Italian criminologist, Cesare Lombroso, proposed that blood pressure be used to test for truthfulness. In the 1930s, William Marston added the measurements of respiration and perspiration to the process, built a machine to do the measuring, and called his invention the polygraph or lie detector. Today, the federal courts will not consider polygraph results as evidence, but nearly half the state courts do permit polygraph tests under certain circumstances. In addition, its use in screening job applicants is on the rise. Physicians Michael Phillips, Allan Brett, and John Beary subjected the polygraph to the same careful testing given to medical diagnostic tests. They found that if 1,000 people were subjected to the polygraph and 500 told the truth and 500 lied, the polygraph would indicate that approximately 185 of the truth-tellers were liars and that approximately 120 of the liars were truth-tellers (%u201CLie Detectors Can Make a Liar out of You,%u201D Discover, June 1986). 1. In the application of a polygraph test, an individual is presumed to be a truth-teller (H0) until %u201Cproven%u201D a liar (H1). In this context, what is a Type I error? A Type II error? 2. According to Phillips, Brett, and Beary, what is the probability (approximately) that a polygraph test will result in a Type I error? A Type II error? PLEASE ANSWER BOTH QUESTIONS. Solution Type I Error=\"claiming that the person is liar when in fact s/he is a truth-teller\" Type II Error=\"claiming that the person is a truth-teller when in fact s/he is a liar\".

In 1995, Oseola McCarty donated $150,000 to the University of Southe.pdf

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In 1995, Oseola McCarty donated $150,000 to the University of Southern Mississippi to establish a scholarship fund (New York Times, November 12, 1996, pp. A1, A22). What is unusual about this donation is that the entire amount came from what she was able to save each month from her work as a washerwoman, a job she began in 1916 at the age of 8, when she dropped out of school. How much would Ms. McCarty have had to put into her savings account at the end of every 3 months to accumulate $150,000 over 79 years? Assume that she received an interest rate of 5.25% compounded quarterly. Solution $32.49 formula for payment PMT=FV/(((1+i)^N-1)/i) FV = future value = 150,000 i = interest rate = 0.0525/4 = 0.013125 (quarterly) N = number of periods = 79 x 4 = 316 (3 month periods) PMT = 150,000/(((1+0.013125)^316 - 1)/0.013125) = $32.49.

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