Concept explainers
In Example 5, we analyzed the voting power of the law partners in the firm of Krook, Cheatum, and Associates. Recall that to change a policy required the votes of Krook, Cheatum, and two associates. For each scenario described in Exercises 43-46, do the following:
a. Give an intuitive explanation as to how you think the voting power of Krook, Cheatum, and each associate is changed.
b. Calculate the Banzhaf power index for each member of the firm to see how this calculation corresponds to your intuition.
A law firm. Another senior partner, named Fair, is added to the original firm, so the firm now has three senior partners and four associates. Assume that two senior partners and two associates must vote to change a policy.
Want to see the full answer?
Check out a sample textbook solutionChapter 11 Solutions
Mathematics All Around (6th Edition)
- Suppose the government is considering the provision of traffic lights at three different locations, denoted 1, 2 and ach traffic light costs $600 to install. There are three individuals (A, B, and C). If a traffic light is installed all individuals will be taxed equally to pay for the costs and this information is known to the individuals. The decision whether to install each individual traffic light is taken on the basis of a majority vote; and, for each individual, if the individual's valuation is greater than or equal to the cost to them then they would vote in favour of provision. The table below gives the value that each individual places on installing a traffic light at each of the locations: Location Individual A Individual B Individual C 1 170 150 300 220 250 180 3 150 220 220 b. Explain for each of the three locations what decisions would be made using a Clark-Groves mechanism, how much each individual would pay and how much revenue would be raised towards the cost. To ease…arrow_forwardQUESTION 1. VOTER PARTICIPATION AND LOYALTY. Fill the chart below and determine which candidate wins this election. The state has 1,300,000 registered Democratic voters, and 1,100,000 registered Republican voters, and 1,500,000 registered Independent voters. 60% of all registered Democrats vote, 65% of all registered Republicans vote, and 70% of all registered Independents vote. Total Democratic voters prefer their candidate to the Republican candidate by a margin of 85% to 15%, and Republican voters prefer their candidate to the Democratic candidate by a margin of 90% to 10%. Independent voters favor the Republican candidate by a 55% to 45% margin. Percent participating in this election Percent voting Democratic December chambers Percent voting Republican ster Community College Registered Registered Democrats Republicans 1,300,000 Name 60 85 15 1,100,000 65 10 90 Registered Independents 1,500,000 70 45 55 520763 Total votes for each candidatearrow_forwardFive businessmen have three common businesses. They would like to compare which business earns the most. Their businesses are a bookstore, a cafeteria, and a computer shop. Their earnings in a month (in Philippine pesos) are shown in the following table. Businessman Bookstore 11,000 10,000 14,000 17,000 8,000 Cafeteria 9,000 13,000 10,000 11,000 13,000 Computer Shop 13,000 11,000 14,000 10,000 10,000 D Using SPSS, perform the following statistical test Perason's r to test the relationship among the cafeteria, the bookstore, and computer shop; and the relationship between the cafeteria and the computer shop.arrow_forward
- A vote is to be taken among the residents of a town and the surrounding county to determine whether a proposed chemical plant should be constructed. The construction site is within the town limits, and for this reason many voters in the county believe that the proposal will pass because of the large proportion of town voters who favor the construction. To determine if there is a significant difference in the proportions of town voters and county voters favoring the proposal, a poll is taken. If 120 of 200 town voters favor the proposal and 240 of 500 county residents favor it, would you agree that the proportion of town voters favoring the proposal is higher than the proportion of county voters? Use an α = 0.05 level of significance.arrow_forwarda survey of 150 freshman business students at a local university produced the results listed below. how many students took only religion? 35 took history;42 took science;43 took religion;19 took history but not science;14 took science and religion;15 took history and religion;6 took all threearrow_forwardI am a bit stuck with this table.arrow_forward
- A vote is to be taken among the residents of a town and the surrounding county to determine whether a proposed chemical plant should be constructed. The construction site is within the town limits, and for this reason many voters in the county believe that the proposal will pass because of the large proportion of town voters who favor the construction. To determine if there is a significant difference in the proportions of town voters and county voters favoring the proposal, a poll is taken. If 120 out of 200 town voters favor the proposal and 240 out of 500 county voters favor it, would you agree that the proportion of town voters favoring the proposal is higher than the proportion of county voters? Use an alpha = 0.01 level of significance.arrow_forward...... ................ ........... Before 1918, approximately 55% of the wolves in a region were male, and 45% were female. However, cattle ranchers in this area have made a determined effort to exterminate wolves. From 1918 to the present, approximately 65% of wolves in the region are male, and 35% are female. Biologists suspect that male wolves are more likely than females to return to an area where the population has been greatly reduced. (Round your answers to three decimal places.) n USE SALT (a) Before 1918, in a random sample of 10 wolves spotted in the region, what is the probability that 7 or more were male? What is the probability that 7 or more were fertale? What is the probability that fewer than 4 were female? (b) For the period from 1918 to the present, in a random sample of 10 wolves spotted in the region, what is the probability that 7 or more were male? What is the probability that 7 or more were female? What is the probability that fewer than 4 were female? Need…arrow_forwardSuppose you were going to conduct a survey of visitors to your campus. You want the survey to be as representative as possible. How would you select the people to survey? Why would that be your best method?arrow_forward
- The Denver Police Department wants to improve its image with teenagers. A uniformed officer is sent to a school 1 day a week for 10 weeks. Each day the officer visits with students, eats lunch with students, attends pep rallies, and so on. There are 18 schools, but the police department can visit only half of these schools this semester. A survey regarding how teenagers view police is sent to all 18 schools at the end of the semester. (Select all that apply.) a) After the police visits, survey 9 of the schools to see if there is a difference in views between the two groups.b) No placebo is being used.c) Use random selection to pick 18 schools to visit.d) After the police visits, survey all the schools to see if there is a difference in views between the two groups.e) A placebo is used for the remaining 9 schools.f) Use random selection to pick nine schools to visit.arrow_forwardThe Party of Nonvoters From past elections, nonvoters are those who are either not registered to vote or are considered unlikely to vote in an upcoming election. Nonvoters are very different demographically from likely voters.Nonvoters are more racially and ethnically diverse. 43% of those who are not likely to cast a ballot are Hispanic, African or other racial and ethnic minorities, roughly double the percentage amoung likely voters(22%) (Source: Pew Research Center, October, 2014, "The Party of Nonvoters"). Suppose you interview 10 people who are considered nonvoters. Round answers to 4 decimal places.a.) What is the probability that 5 of them are an ethnic minority? b.) What is the probability that more than 8 are an ethnic minority? c.) What is the probability that at least 8 are not an ethnic minority? d.) What is the probability that fewer than 5 are not an ethnic minority?arrow_forwardA survey was conducted in the United States and 10 countries of Western Europe to determine the percentage of teenagers who had used marijuana and other drugs. The results are summarized in the following table.arrow_forward
- Glencoe Algebra 1, Student Edition, 9780079039897...AlgebraISBN:9780079039897Author:CarterPublisher:McGraw Hill