1) Let X1,X2,�Xn are i.i.d random sample from U(0,) a) Show that the .pdf

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1) Let X1,X2,Xn are i.i.d random sample from U(0,) a) Show that the Sufficient statistics for is X(n). b) Find the MVUE of r. (Hint:Find E[X(n)r and then make necessary adjusment to find the UE of r].

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1. Ceate a CD (class diagram) from above use case diagram cashier supermarket and make the SD (sequence diagram) as well. In SD must have: a. TOA b. One of the Branches and Loop Operators c. One of the Concurrency and Order Operators d. One of Filters and Assertions 2. Explain about the concept of design patterns in Sequence Diagram, especially for Transfer Object Assembler (TOA)? Note: Sequence Diagram (explain a-d).

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1. 'Big Tech' companies brings us many good things, but, what are some of the potential downsides of these players and the influence they exert? Group of answer choices (can choose more than one) They are fundamentally financially profit driven and do not necessarily have the best interests of greater society in mind I can often use the services for free and get really useful information There is the potential for an oligarchy or outright monopoly to form over critical societal services We might get bored of them i.e., same logos, colours, yawn They can assert an inordinate influence over the political and economic system 2. True or False. 'Tech' and 'Start-Up' are so interlinked as pretty much all the big Unicorns of 2021 were technology-driven. True False 3. In the context of business information systems, what is meant by 'technology push'? It is when innovations from tech sector drive or influence developments in other societal sectors An prime example is when a vending machine needs a shove in order to dispense goods that have been paid for. It is a process in AI (artificial intelligence) whereby a more advanced robot physically 'pushes' an obsolete one out of the way. It describes how societal needs drive technology development.

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1. Barry y su esposa Mary han acumulado ms de $6 millones durante sus 49 aos de matrimonio. Tienen nueve hijos y once nietos. Cunto dinero pueden regalar Barry y Mary a sus nietos en 2019 sin ninguna responsabilidad fiscal sobre donaciones? 2. Barry y su esposa Mary han acumulado ms de $4 millones durante sus 51 aos de matrimonio. Tienen cuatro hijos y seis nietos. Cul es la cantidad total extrada del patrimonio de Barry y Mary?.

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1. A city government decides to post its annual budget and financial statements on the public website. This website is maintained and announcements are made frequently. This is a demonstration of which of the following ISO CSR principles? a. Ethical Absolutism b. Respect for stakeholder interests c. Transparency d. Accountability 2. All of the following are Corporate Social Responsibility principles outlined in the ISO standard except for: a. Respect for stakeholder interests b. Respect for human rights c. Ethical Absolutism d. Transparency.

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1. According to the McKinsey study, the CSR approach which yields medium benefit to society and low benefit to business is: a. Philanthropy b. Partnering c. Pet Projects d. Social Media Marketing 2. According to the McKinsey study on Corporate Social Responsibility, all of the following are primary strategies and approaches where companies are deploying CSR except for: a. Propaganda b. Pet Project c. Partnering d. Social Media Marketing.

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1. After listening to last week's podcasts focused on the early stages of the pandemic, what were your initial thoughts regarding the pandemic when you first heard about it? 2) When comparing to where we are now to where we were a couple of years ago. Why do you think the United States was not ready for the Coronavirus in 2020? 3) Based on the knowledge that you know now regarding the pandemic, what would you recommend that public health officials do differently?.

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1. According to Chapter 13, when must Miranda rights be given to an individual? 2. What statements are made to a defendant when providing Miranda rights? 3. Which Constitutional Amendments are Miranda rights based on? 4. According to the material in Chapter 13, what happens if Miranda rights are not given to a defendant? 5. According to the material in Chapter 13, list ALL Constitutional safeguards in the Bill of Rights for criminal defendants (multiple answers and points)? There is a federal exception to the Miranda rule that allows for questioning a suspect without giving the suspect his Miranda rights. It applies when public safety may be in question and was used for 16 hours over a two-day period during the questioning of Dzhokhar Tsarnaev. During this questioning, Tsarnaev told federal investigators about his role in the Boston Marathon bombings and the reasons that he and his brother planted the bombs. 6. Do you think that it was fair that the federal agents used this federal exception to wait two days to question Dzhokhar Tsarnaev before giving him his Miranda rights? 7. Why or why not? 8. Should the time period have been shorter?.

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1. A transport services company provides a whole range of services to railway operators. Its reputation for quality was a valuable asset in its increasingly competitive market. We are continually looking for innovation in the way we deliver our services because the continuous improvement of our processes is the only way to make our company more efficient, said the companys CEO. We use a defined set of criteria to identify critical processes, each of which is allocated a process owner by our quality steering committee. This is helped by the companys process excellence index (EPI), which is an indicator of the way a process performs, particularly how it is designed, controlled and improved. The EPI score, which is expressed on a scale of 1 to 100, is calculated by the process owner and registered with the quality department. With this one figure we can measure the cost, reliability, and quality of each process so that we can compare performance. If you dont measure, you cant improve. And if you dont measure in the correct way, how can you know where you are? Our suggestion scheme is designed to encourage staff to submit ideas that are evaluated and rated. No individual suggestion is finally evaluated until it has been fully implemented. Where a team of employees puts ideas forward, the score is divided between them, either equally or according to the wishes of the team itself. These employee policies are supported by the companys training schemes, many of which are designed to ensure all employees are customer focused. ( a) What seem to be the key elements in this companys approach to improvement? (b) Do you think this approach is appropriate for all operations?.

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1. A Tale of Two Oceans cuenta la gran diferencia entre el Piloceno y el Pleistoceno. Cules fueron algunos de los cambios globales evidentes por la transicin? (Seleccione todas las opciones verdaderas) - Un cambio de un tiempo ms clido... a una poca de glaciaciones - Un cambio de una poca de menor productividad a una poca ms productiva -Un cambio de una poca de afloramiento ms dbil... a una poca de ocanos bien mezclados - Un cambio en el sistema costero debido a una cada significativa en el nivel del mar 2. Cules de los siguientes son cambios observados en el Sistema de corrientes de California que ocurren debido a las corrientes clidas de El Nio? (Seleccione todas las que correspondan) - Comprimir y aislar hbitats - Cambios en la qumica, como el contenido de oxgeno disuelto - Disminucin de la estratificacin ocenica - Transporte hacia los polos de especies de aguas ms clidas.

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1. (Simultaneous vs. sequential moves) Two generals must choose between the actions Fight and not Fight, which we will label F and F. If one of the Generals chooses F while the other chooses F, then a war ensues and is won by the General who chooses F. If both Generals choose F once again a War ensues, but this time both Generals win with a probability of 1 /2 . The payoff for winning the war is 6 while the payoff for losing is 0. Finally, if both Generals choose then Peace ensues and both Generals receive a payoff of 4. However, General 1 has taken Prisoners of War (POWs) from General 2s army. If both Generals choose F these POWs will be released and General 2 will pay no additional cost. However, General 2 will pay an additional cost of -3 any time there is War, representing the idea that if at least one General chooses F these POWs will not be released (and may be mistreated...) (a) (5 points) Assume the Generals move simultaneously. Based on the payoffs above, build the 22 payoff matrix associated with the simultaneous move game. Find the games Nash Equilibrium. (Note that if both choose F, then they both win with probability 1 /2 , meaning that you need to calculate expected payoffs for the profile (F, F)) (b) (2 points) Now assume that General 1 moves first, and construct the Extensive Form Game Tree to represent the game. (c) (5 points) Use Backward Induction to find the games SPEs when General 1 moves first. (Tree with arrows is sufficient) (d) (2 points) Now assume that General 2 moves first, and construct the Extensive Form Game Tree to represent the game. (e) (5 points) Use Backward Induction to find the games Subgame Perfect Nash Equilibria when General 2 moves first. (Tree with arrows is sufficient) Now assume General 2 successfully rescues his or her hostages. The game remains exactly the same, except that General 2 no longer pays an additional cost of -3 whenever there is a War. (f) (5 points) For the game without POWs, assume the Generals move simultaneously and build the associated 22 payoff matrix. Find the Nash Equilibrium. (g) (2 points) Now assume that General 1 moves first, and construct the Extensive Form Game Tree to represent the game. (h) (5 points) Use Backward Induction to find the games Subgame Perfect Nash Equilibria when General 1 moves first. (Tree with arrows is sufficient) (e) (4 points) Write a short paragraph about why the SPE in (1c) is different from that in (1e) and (1h), and how is that difference related to the credibility of promises or the lack of commitment?.

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