On the morning of November 9, 1994–the day after the electoral landslide that had returned Republicans to power in both branches of Congress–several key races were still in doubt. The most prominent was the Washington contest involving Democrat Tom Foley, the reigning speaker of the house. An Associated Press story showed how narrow the margin had become (128):
With 99 percent of precincts reporting, Foley trailed Republican challenger George Nethercutt by just 2,174 votes, or 50.6 percent to 49.4 percent. About 14,000 absentee ballots remained uncounted, making the race too close to call.
Let
Want to see the full answer?
Check out a sample textbook solutionChapter 5 Solutions
An Introduction to Mathematical Statistics and Its Applications (6th Edition)
- . A recent issue of a national magazine reported that in a national public opinion survey conducted among 2,000 individuals, 56% were in favor of gun control, 40% opposed gun control, and 4% had no opinion on the subject. a. What is the sample in this survey? b. Based on the sample, what percentage of the population would you think is in favor of gun control? c. Based on the sample, what percentage of the population would you think have no opinion on the subject?arrow_forwardEconomist Arthur Laffer suggests that beyond a certain point, high tax rates depress the economy so much that they actually reduce tax revenues. He proposed tax reductions as a means of stimulating the economy and, as a result, increase tax revenues. In the mid 1990’s Time magazine reported that 30% of the US Congress supported a tax cut as a means of stimulating the economy and increasing tax revenues. Suppose at that time 5 members of congress were randomly selected for an interview and asked whether they supported a tax cut to stimulate the economy. 1.2) Find the probability that at least three of the five members of congress who were interviewed were in favour of a tax cut (rounded off to four decimals).arrow_forwardA poll of 1000 voters has Biden leading by 538 to 462. What will the pollster indicate as the "margin of error"?arrow_forward
- A geography student in Parkville, Missouri is conducting a housing survey, including questions about a proposed rent control initiative. She knows that about 38% of the people in Parkville live in apartments, and wants about 38% of the surveys given to apartment dwellers. What kind of sampling should she use?arrow_forwardWe are in the middle of the election season with some states still having their state elections and voting for the Democratic nominee. However, since Bernie Sanders dropped out of the race, Joe Biden has become the presumptive Democratic nominee who will run against Donald Trump for the presidency in November. A recent poll from a national university was conducted by telephone with 754 registered voters from March 18 to 22, 2020. One of the questions they asked was: If the election for President was today, would you vote for … Donald Trump the Republican or Joe Biden the Democrat? [NAMES WERE ROTATED] [If UNDECIDED: If you had to vote for one of the following candidates at this moment, who do you lean toward – Donald Trump or Joe Biden?] Create confidence intervals for the percentage of registered voters who will vote for Biden and for Trump, respectively. You should have two separate confidence intervals, one for each of them. A news report citing this poll…arrow_forwardA survey reported that 10% of 1800 employees favored a new insurance program. How many employees favored the new program?arrow_forward
- Forty-eight percent of all California registered voters prefer life in prison without parole over the death penalty for a person convicted of first-degree murder. Among Latino California registered voters, 55% prefer life in prison without parole over the death penalty for a person convicted of first-degree murder. 37.6% of all Californians are Latino.In this problem, let: • C = Californians (registered voters) preferring life in prison without parole over the death penalty for a person convicted of first-degree murder.• L = Latino Californians 9. In words, what is L OR C?10. Are L and C mutually exclusive events? Show why or why not.arrow_forwardForty-eight percent of all California registered voters prefer life in prison without parole over the death penalty for a person convicted of first-degree murder. Among Latino California registered voters, 55% prefer life in prison without parole over the death penalty for a person convicted of first-degree murder. 37.6% of all Californians are Latino.In this problem, let: • C = Californians (registered voters) preferring life in prison without parole over the death penalty for a person convicted of first-degree murder.• L = Latino Californians 4. What is C|L? Explain your response.arrow_forwardForty-eight percent of all California registered voters prefer life in prison without parole over the death penalty for a person convicted of first-degree murder. Among Latino California registered voters, 55% prefer life in prison without parole over the death penalty for a person convicted of first-degree murder. 37.6% of all Californians are Latino.In this problem, let: • C = Californians (registered voters) preferring life in prison without parole over the death penalty for a person convicted of first-degree murder.• L = Latino Californians 7. Are L and C independent events? Show why or why not.8. Find P(L OR C). Explain your response.arrow_forward
- In a Gallup telephone survey conducted on April 9–10, 2013, the person being interviewedwas asked if he would vote for a law in his state that would increase the gas tax up to20 cents a gallon, with the new gas tax money going to improve roads and bridges andbuild more mass transportation in his state. Possible responses were vote for, vote against,and no opinion. Two hundred ninety five respondents said they would vote for the law,672 said they would vote against the law, and 51 said they had no opinion (Gallup website,June 14, 2013).a. Do the responses for this question provide categorical or quantitative data?b. What was the sample size for this Gallup poll?arrow_forwardIn a Gallup telephone survey conducted on April 9–10, 2013, the person being interviewedwas asked if he would vote for a law in his state that would increase the gas tax up to20 cents a gallon, with the new gas tax money going to improve roads and bridges andbuild more mass transportation in his state. Possible responses were vote for, vote against,and no opinion. Two hundred ninety five respondents said they would vote for the law,672 said they would vote against the law, and 51 said they had no opinion (Gallup website,June 14, 2013).a. Do the responses for this question provide categorical or quantitative data?b. What was the sample size for this Gallup poll?c. What percentage of respondents would vote for a law increasing the gas tax?d. Do the results indicate general support for or against increasing the gas tax to improveroads and bridges and build more mass transportation?arrow_forwardForty-eight percent of all California registered voters prefer life in prison without parole over the death penalty for a person convicted of first-degree murder. Among Latino California registered voters, 55% prefer life in prison without parole over the death penalty for a person convicted of first-degree murder. 37.6% of all Californians are Latino.In this problem, let: • C = Californians (registered voters) preferring life in prison without parole over the death penalty for a person convicted of first-degree murder.• L = Latino Californians 5. Find P(L AND C). Explain your response.6. In words, what is L AND C?arrow_forward
- MATLAB: An Introduction with ApplicationsStatisticsISBN:9781119256830Author:Amos GilatPublisher:John Wiley & Sons IncProbability and Statistics for Engineering and th...StatisticsISBN:9781305251809Author:Jay L. DevorePublisher:Cengage LearningStatistics for The Behavioral Sciences (MindTap C...StatisticsISBN:9781305504912Author:Frederick J Gravetter, Larry B. WallnauPublisher:Cengage Learning
- Elementary Statistics: Picturing the World (7th E...StatisticsISBN:9780134683416Author:Ron Larson, Betsy FarberPublisher:PEARSONThe Basic Practice of StatisticsStatisticsISBN:9781319042578Author:David S. Moore, William I. Notz, Michael A. FlignerPublisher:W. H. FreemanIntroduction to the Practice of StatisticsStatisticsISBN:9781319013387Author:David S. Moore, George P. McCabe, Bruce A. CraigPublisher:W. H. Freeman