Samesex marriage: In a recent 2015 ABC News/Washington Post poll, 1,016 adults nationwide answered the question, “Overall, do you support or oppose allowing gays and lesbians to marry legally?” Of the respondents, 619 support same-sex marriage. What is the 95% confidence interval for the proportion of all American adults who support same-sex marriage? 1. (0.594, 0.624) 2. (0.570, 0.648) 3. (0.584, 0.634) 4. (0.579, 0.639)

Q: A poll asked adults in a certain country whether immigration was a good thing or a bad thing for the…

A: Define p as the true population proportion of adults in the country who think immigration is a good…

Q: Random Drug Testing. A Harris Poll asked Americans whether states should be allowed to conduct…

A: Computing the margin of error for population proportion: It was found that, out of the 21355 people,…

Q: joint USA Today/CNN/Gallup Poll in July 2020 indicated that of 832 white adults, 46% thought…

A: Given n=832 P=0.46

Q: The General Social Survey (GSS) is a survey administered to a random sample of adult Americans by…

A: given data sample size (n) = 2500favorable outcomes (x) = 725p = proportion of customers that are…

Q: You observe 60 customers at a coffee shop, and 82% of them tip. What is the 95% confidence interval…

A: Given : You observe 60 customers at a coffee shop, and 82% of them tip.

Q: In a random sample of 1003 US adults, 32% said that national identity is strongly tied to birth…

A: It is given that, 32% of the 1003 adults said that national identity is strongly tied to birth…

Q: You're considering going to graduate school, and you would like to know how many people would…

A: From the provided information Sample size (n) = 29, People who recommend x = 9 The sample proportion…

Q: d their candidate. State your answers as percents rounded to 1 decim

A: Here it is given that -  Of the 619 randomly selected likely voters surveyed, 305 supported their…

Q: 13 The dala In a study, 137 children of a certain race in a certain city were randomly assigned to…

A: Step 1: Calculate PercentagesWe need to calculate the proportion of children who graduated from high…

Q: A survey asked, "How important is it to you to buy products that are made in America?" Of the 600…

A: Given x=450 n=600

Q: A survey of 1010 college seniors working towards an undergraduate degree was conducted. Each student…

A: The provided information are:

Q: A poll was conducted to examine if people are happy with the government. 400 people were asked and…

A: It is an important part of statistics . It is widely used .

Q: A poll asked adults in a certain country whether immigration was a good thing or a bad thing for the…

A: Let, x denotes the adults who says immigration is good thing. Total respondents: n=1078 x=612

Q: What test should be used in the following study? (options are uploaded in images). Levels of…

A: Given information: The investigator is specially interested to test whether there is any difference…

Q: A student polls his school to see if students in the school district are for or against the new…

A: From the provided information, Sample size (n) = 395 Out of which 210 are against the new…

Q: A poll of 1103 home sellers found that 29.8% were trying to sell their home without a real estate…

A: Given,sample size(n)=1103sample proportion(p^)=0.298margin of error(E)=0.027

Q: Facebook would like to study the demographics of the individuals that utilize their platform. Their…

A: a. The sample size n= 455. Out of the 455 Facebook users 63 were teenagers. The sample proportion is…

Q: According to a survey of 100 men and 900 women, 21% of men and 28% of women read for fun almost…

A:

Q: A poll asked whether states should be allowed to conduct random drug tests on elected officials. Of…

A: n = 21410 p^ = 0.72 99% ci for p

Q: You plan to conduct a survey to find what proportion of the workforce has two or more jobs. You…

A:

Q: In a survey of 2480 golfers, 15% said they were left-handed. The survey's margin of error was 3%.…

A: Sample size(n)=2480sampl proportion(p^)=0.15Margin of error(E)=0.03

Q: According to a report published by the Pew Research Center in February 2010, 61% of Millennials…

A: Given : Proportion of Millennials (people born between 1981 and 1996) think that their generation…

Q: In a previous election, the confidence interval for the proportion of likely voters who would vote…

A: given;confidence interval for the proportion;(0.4401, 0.5199)i.e. (p^-E, p^+E)where  p^ : point…

Q: Ten students on a low-fat diet designed to lower their cholesterol and recorded their before and…

A: Let X represents the cholesterol level before diet and Y represents the cholesterol level after…

Q: A poll asked the question, "What do you think is the most important problem facing this country…

A: Given Information: Mean percentage = 21%  Margin of error = 4%

Q: The Nellie Mae organization conducts an extensive annual study of credit card usage by college…

A:

Q: In a 2008​ survey, people were asked their opinions on astrology​ - whether it was very​ scientific,…

A: We have given that people were asked their opinions on astrology​ - whether it was very​ scientific,…

Q: A regional survey of 561 companies asked the vice president of operations how satisfied he or she was…

A:

Q: A poll reported 42% support for a statewide election with a margin of error of 3.84 percentage…

A:

Q: poll asked adults in a certain country whether immigration was a good thing or a bad thing for the…

A: A poll asked adults in a certain country whether immigration was a good thing or a bad thing for the…

Q: A poll asked adults in a certain country whether immigration was a good thing or a bad thing for the…

A: Given information is A poll asked adults in a certain country whether immigration was a good thing…

Q: A recent Gallup Poll interviewed a random sample of 1523 adults. Of these, 868 bought a lottery…

A: Margin of error is used to measure the error occurred in the sample. It explains the percentage of…

Q: Find a 95% confidence interval for the proportion of the entire voter population who approve or…

A:

Q: In a past presidential​ election, 37,979,113 people voted for Candidate​ A 37,758,117 for Candidate​…

A: a. In the past presidential​ election, 37,979,113 people voted for Candidate​ A; 37,758,117 for…

Q: 59% of 81 delegates in a political convention favored changing the rules to restrict the number of…

A: n= 81P^ = 0.59CI = 0.95P(-z < P <z) = 0.95∴z= 1.96    (∵ z- table)

Q: political researcher takes a survey of 310 randomly selected registered voters in Orlando, and each…

A: Given that.  n=310 , Candidate A=110 , Candidate B=185 Unsure or plan to vote for another…

Q: Gay marriage. In May 2012, a CNN/ORC Poll asked arandom sample of 1009 U.S. adults this question:Do…

A:

Q: Use the sample data and confidence level given below to complete parts (a) through (d). A research…

A: Given; x=561n=935The level of significance is;α=1-0.95=0.05 (a) The best point estimate of the…

Q: Social Networking Sites In a survey of 2255 randomly selected US adults (age 18 or older), 1787 of…

A:

Q: A poll reported 59% support for a statewide election with a margin of error of 4.37 percentage…

A: Estimated proportion ( p) = 0.59 Margin of error (E) = 0.0437 significance level (α)  = 0.01

Q: Construct a 95% confidence interval for p1 - p2 for a survey that finds 30% of 240 males and 41% of…

A: