Question

A poll was conducted before an election for a seat in the Senate. There are two...

A poll was conducted before an election for a seat in the Senate. There are two candidates running: a Democrat and a Republican. The poll shows that 53 % of the voters favor the Democratic candidate, with a margin of error of 2.5 percentage points. Find the confidence interval. Should the Democratic candidate be confident that she will win? Explain.

Homework Answers

Answer #1

Let p denote the point estimate for the favour of voters towards democratic candidate

Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
A poll was conducted before an election for a seat in the Senate. There are two...
A poll was conducted before an election for a seat in the Senate. There are two candidates running: a Democrat and a Republican. The poll shows that 53 % of the voters favor the Democratic candidate, with a margin of error of 2.5 percentage points. Find the confidence interval. Should the Democratic candidate be confident that she will win? Explain. 2.Statistics/ Quantitative Reasoning
During a set of mid-term elections, Republican candidate Johnson battled Democratic candidate Smith for the U....
During a set of mid-term elections, Republican candidate Johnson battled Democratic candidate Smith for the U. S. senate. An early exit poll of voters showed 391 voted for Johnson, while 345 voted for Smith. On the basis of this exit poll (and assuming the Republican and the Democrat were the only two candidates), could we conclude at a significance level of 0.025 that Johnson would win the election?
A professional pollster takes an exit poll for an election of a governor in Pennsylvania. Of...
A professional pollster takes an exit poll for an election of a governor in Pennsylvania. Of the 1350 adults who voted in that election, 670 say they voted for the Democratic candidate. We will treat this exit poll as a random sample of all the people who voted in that election. 1. What is the population? a) The 1350 people who were surveyed b) All adults in PA who voted in that election c) All adults in PA d) All...
A group conducted a poll of 2055 likely voters just prior to an election. The results...
A group conducted a poll of 2055 likely voters just prior to an election. The results of the survey indicated that candidate A would receive 45​% of the popular vote and candidate B would receive 43​% of the popular vote. The margin of error was reported to be 2​%. The group reported that the race was too close to call. Use the concept of a confidence interval to explain what this means. What does it mean to say the race...
why it is important to consider margin of error when looking at election poll results. For...
why it is important to consider margin of error when looking at election poll results. For example, if I said that my survey suggests that the Democratic candidate was going to receive 45% of the vote and the Republican candidate would receive 42% of the vote with a margin of error of 3%, what could you conclude about the election? Again, why is it important to consider margin of error?
A national television network took an exit poll of 1350 voters after each had cast a...
A national television network took an exit poll of 1350 voters after each had cast a vote in a state gubernatorial election. Of? them, 610 said they voted for the Republican candidate and 740 said they voted for the Democratic candidate. Treating the sample as a random sample from the population of all? voters, a 95?% confidence interval for the proportion of all voters voting for the Democratic candidate was (0.522,0.575). Suppose the same proportions resulted from nequals=135 ?(instead of1350?),...
Near the time of an election, a cable news service performs an opinion of 1000 probable...
Near the time of an election, a cable news service performs an opinion of 1000 probable voters. It show that the republican contender has an advantage of 51% to 49% a.) Develop a confidence interval for the proportion favoring the Republican candidate. Round your answers to 3 decimal places. b.) Estimate the probability that the democratic candidate is actually leading. Round your answer to 4 decimal places. c.) Repeat the above analysis based on a sample of 3,300 probable voters....
12. In a recent (June 3, 2020) poll from Quinnipiac University, registered voters in Texas were...
12. In a recent (June 3, 2020) poll from Quinnipiac University, registered voters in Texas were asked “If the election for president were being held today, and the candidates were Joe Biden the Democrat and Donald Trump the Republican, for whom would you vote?” The summary of their responses is listed below. Biden 43% Trump 44% Someone Else 3% Wouldn’t Vote 3% Don’t Know 7% a. If the poll has a margin of error of ±2.8 percentage points, can we...
11 Candidate A is facing two opposing candidates in a mayoral election. In a recent poll...
11 Candidate A is facing two opposing candidates in a mayoral election. In a recent poll of 400 residents, she has garnered 52% support. Construct a 99% confidence interval on the population proportion for the support of candidate A in the following election. lower upper Show work in excel
In an election exit poll (N = 1,768), 898 respondents said they voted for Candidate A....
In an election exit poll (N = 1,768), 898 respondents said they voted for Candidate A. Is Candidate A going to win the election (more than 50% of votes needed to win)? Use α = 0.1 for a hypothesis testing. Questions 33 to 38 are based on this example. 33. What’s the proportion of respondents in the poll voted for Candidate A? 34. What would be the H1 for the example? A. The percentage of respondents in the poll voted...
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT