8. (20 pts) A box contains 12 lightbulbs, of which 5 are defective. A.pdf

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8. (20 pts) A box contains 12 lightbulbs, of which 5 are defective. All bulbs look alike and have equal probability of being chosen. Three lightbulbs are selected and placed in a box. a) In many ways these 3 lightbulbs can be chosen. b) In how many ways that all 3 lightbulbs are defective? c) In how many ways that exactly 2 lightbulbs are defective? d) In how many ways that at least 2 lightbulbs are defective?.

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7. In Josef Toth's famous diagram (below), why is water rising (against gravity?!?) beneath the central stream? Why is the rising water warmer and more saline than the down-going water elsewhere? isopotential quasistagnant area in diverging flow fieid flow line hydraulic trap: convergence of llow and matter IT temp. anomaly anomalous salinity Hydrological effects of the regional gravity flow of groundwater (Toth, 1980).

7. In Josef Toths famous diagram (below), why is water rising (again.pdf

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6. Bar eye in Drosophila is an X-linked characteristic in which bar e.pdf

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8) (Essay) Answer the following questions about Veblen (please provide detailed answers to put into an essay): a) What is Veblen's view of consumer theory? b) Does Veblen agree with the idea that consumers make rational decisions? c) What is an invidious distinction? Give an example. d) What is pecuniary emulation? Give an example. e) What is the primary driver of consumption and human behavior according to Veblen?.

8) (Essay) Answer the following questions about Veblen (please provid.pdf

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7. Which of the following statements about the U.S. Census is incorrect? A) Administers a detailed questionnaire to a subset of the population B) Attempts to account for every person in the country C) Is called the decennial census and is administered every five years D) Characterizes the population according to demographic variables 8. Cautious use of information from death certificates is warranted because: A) certificates are not available for everyone who dies. B) certificates are often erroneous for date of death and sex. C) cause of death information may not be correct. D) autopsy results are not included. E) All are correct..

7. Which of the following statements about the U.S. Census is incorre.pdf

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A manufacturing company that produces a single product has provided t.pdf

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A hypothetical population consists of eight individuals ages 13,14,17.pdf

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A company based in the United Kingdom has an Italian subsidiary. The subsidiary generates 25,000,000 a year, received in equivalent semiannual installments of 12,500,000. The British company wishes to convert the euro cash flows to pounds twice a year. It plans to engage in a currency swap in order to lock in the exchange rate at which it can convert the euros to pounds. The current exchange rate is 3.1/. The fixed rate on a plain vanilla currency swap in pounds is 9.2 percent per year, and the fixed rate on a plain vanilla currency swap in euros is 8.2 percent per year. a. Determine the notional principals in euros and pounds for a swap with semiannual payments that will help achieve the objective. b. Determine the semiannual cash flows from this swap..

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9.6 Computer Fraud and Abuse Techniques. Match the computer fraud and abuse technique in the left column witht the scenario in the right column. The scenarios on the right may be used once, more than once, or not at all. 1. dictionary attack a. Guessing user IDs and passwords using a dictionary of user IDs and passwords 2. hacking b. Segment of executable code that attaches itself to software 3. logic bomb c. Recovering passwords by trying every possible combination of characters and comparing them to a cryptographic hash of the password 4. malware d. Malicious computer code that specifically targets a computer's start-up instructions 5. masquerading e. Using a wireless network without permission 6. password cracking f. Covertly swiping a credit card in a card reader that records the data for later use 7. piggybacking g. Concealing data within a large MP3 file 8. posing h. Attack occurring between the discovery of a software vulnerability and the release of a patch to fix the problem 9. protexting I. Entering a system using a back door that bypasses normal system controls 10. rootkit j. Using software to guess company addresses, send employees blank e-mails, and add unreturned messages to spammer e-mail lists 11. shoulder surfing k. Unauthorized code in an authorized and properly functioning program 12. skimming 1. Software used to do harm 13. social engineering m. Program that can replicate itself and travel over networks 14. software piracy n. Pretending to be a legitimate user, thereby gaining access to a system and all the rights and privileges of the legitimate user 15. steganography o. Special code or password that bypasses security features 16. trap door p. Unauthorized copying or distribution of copyrighted software 17. Trojan horse q. Software that conceals processes, files, network connections, and system data from the operating system and other programs 18. virus r. Methods used to trick someone into divulging personal information 19. worm s. Software that sits idle until a specified circumstance or time triggers it 20. zero-day attack t. Duplicating software, music, or movies u. Acting under false pretenses to gain confidential information v. Observing or listening to users as they divulge personal information w. Gaining access to a computer system without permission x. Creating a seemingly legitimate business, collecting personal information while making a sale, and never delivering the item sold.

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9.5 hs-Doubly-linked Lists - listTraverse Description In this assignment you are to implement a doubly linked list that stores pointers to Person instances. You will implement two classes Node and Linked L ist and two functions listTraverse() and list TraverseReverse(). Instructions (Person.h) - This class is given. It is used to store the personal information of a person (id, first, last). Instructions (DoublyLinkedList.h) Inside DoublyLinkedList. h define the two classes Node and LinkedList. Node Consists of the public members: - person - a pointer to a Person instance - prev - a pointer to a Node instance - next - a pointer to a Node instance - Node() - an argument constructor that accepts a pointer to a Person instance. Sets the person field to the parameter. Initialize prev and next to nullptr at declaration time. Consists of the public members: - head-a pointer to a Node instance - tail - a pointer to a Node instance Initialize both members to nu1lpte at declaration time. Instructions (main. cpp) Inside main, cpp define the two functions: string 1istTraverse (Linkedlist * 1 ist, const int skipCount) : - This function traverses the list from head to tailand builds a string containing all the visited nodes' Per son instances. The skipcount parameter is used to determine which nodes are visited, eg. a value of 1 will visit every node, whereas a value of 2 will visit nodes 2,4. 6, - Use an ostringstream instance to output each person's descriptor by using the descriptor () method of the Person class. Each record should be newline terminated string listTraverseReverse (Lilnkedist * liat, const int skipCount) ; - This function traverses the list from tail to head and builds a string containing all the visted nodes' Person instances. The skipcount parameter is used to determine which nodes are visited, eg. a value of 1 will visit every node, whereas a value of 2 will visit nodes 5,3,1 - Use an ostringstream instance to output each person's descriptor by using the descriptor() method of the Person ciass. Each record should be newline terminated. Example For the list containing: {1,"John","Doe"},{2,"Jane","Doe"},{3,Mary","Doe",{4,"Paul","Doe"}} listTraverse(list, 2) returns the string: {2,"Jane","Doe"}{4,"Paul","Doe"} and listTraverseReverse ( list, 2 ) returns the string: {3, "Mary", "Doe" }{1, "John", "Doe" } Current file: main.cpp Current file: main.cpp - Current file: DoublyLinkedList.h - 1 \#ifndef DOUBLY_LINKED_LIST 2 \#define DOUBLY_LINKED_LIST 3 4 \#include "Person.h" 5 using namespace std; 6 7 8 /* class: Node */ /* Type your code here. */ /* class: LinkedList */ /* Type your code here. */.

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9.4 Computer Fraud and Abuse Techniques. Match the Internet-related computer fraud and abuse technique in the left column with the scenario in the right column. The scenarios on the right may be used once, more than once, or not at all. 1. adware a. Software that monitors and reports a user's computing habits 2. botnet b. A program stored in a web page and executed by a web browser 3. bot herder c. Sending an e-mail instructing the recipient to do something or else suffer adverse consequences 4. click fraud d. Using the Internet to pass off the work of another as your own 5. DoS e. E-mailing an unsolicited message to many people at the same time f. Creating websites with names similar to real websites so users making errors while entering a website name are sent to a hacker's site g. An e-mail warning regarding a virus that in reality does not exist h. A spam blog that promotes atfiliated websites to increase their Google PageRank i. Software that collects consumer surfing and purchasing data j. E-mails that look like they came from a legitimate source but are actually from a hacker who is trying to get the user to divulge personal information k. Making an e-mail look like it came from someone else 1. Gaining control of a computer to carry out unauthorized illicit activities m. Using the Internet to disrupt communications and ecommerce n. Diverting traffic from a legitimate website to a hacker's website to gain access to personal and confidential information o. A network of hijacked computers p. Using a legion of compromised computers to launch a coordinated attack on an Internet site q. Use of spyware to record a user's keystrokes r. Hackers that control hijacked computers s. Circulating lies or misleading information using the world's largest network t. Overloading an Internet service provider's e-mail server by sending hundreds of e-mail messages per second from randomly generated false addresses u. Inflating advertising revenue by clicking online ads numerous times.

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9. Private solutions to correct for externalities Consider the following scenario: Suppose that a chicken farm uses a nearby stream to dispose of the wastes released by its chickens. These wastes flow downstream into a lake that has become thick with algae and polluted by the minerals in the waste matter. The local office of a nonprofit environmental organization collects enough donations to fund a campaign to stop the farm's pollution. Which of the following private solutions resolving the externality of pollution took place in this scenario? Contracts Charities Moral codes and social sanctions Integration of different types of businesses through merger or acquisition Keep in mind that sometimes private solutions to externalities are not achieved. For instance, this could occur when communications barriers or social customs are important enough relative to the potential gains involved that 9. Private solutions to correct for externalities Consider the following scenario: Suppose that a chicken farm uses a nearby stream to dispose of the wastes released by its chickens. These wastes flow downstream into a lake that has become thick with algae and polluted by the minerals in the waste matter. The local office of a nonprofit environmental organization collects enough donations to fund a campaign to stop the farm's pollution. Which of the following private solutions resolving the externality of pollution took place in this scenario? Contracts Charities Moral codes and social sanctions.

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9. Information about the cause of death listed on a death certificate may be unreliable because: A) the cause of death may be unclear. B) certain diseases carry a stigma. C) diagnostic criteria may lack standardization. D) assignment of the cause of death may be arbitrary. E) All are correct. 10. An abrupt drop in mortality due to a specific disease from one year to the next is most likely due to: A) incorrect listing of cause of death by the physician on the death certificate. B) a coding mistake when using the International Classification of Disease (ICD) system. C) a change in the International Classification of Disease (ICD) system. D) fewer older persons dying from chronic diseases each year..

9. Information about the cause of death listed on a death certificate.pdf

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