Question

Saved In a news report, it was said that the percentage of the people living in...

Saved In a news report, it was said that the percentage of the people living in a city that agreed with policy A is 32% with a margin of error 2%. This means that the confidence interval is

Homework Answers

Answer #1

p = 32%

margin of error, E = 2%

Confidence interval = (p + E)

                                = (32 + 2)

                                = (30% , 34%) or (0.3 , 0.34)

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 of 2752 U.S. adults found that 90% regularly used Facebook as a news source....
A poll of 2752 U.S. adults found that 90% regularly used Facebook as a news source. Find the margin of error and confidence interval for the percentage of U.S. adults who regularly use Facebook as a news source, at the 90% level of confidence. Round all answers to 2 decimal places. Margin of Error (as a percentage):   Confidence Interval: % to % Find the margin of error and confidence interval for the percentage of U.S. adults who regularly use Facebook...
In a survey of 2300 T.V. viewers, 690 said they watch network news programs. Find the...
In a survey of 2300 T.V. viewers, 690 said they watch network news programs. Find the margin of error for the 95% confidence interval used to estimate the population proportion.
1. A poll of 2234 U.S. adults found that 31% regularly used Facebook as a news...
1. A poll of 2234 U.S. adults found that 31% regularly used Facebook as a news source. Find the margin of error and confidence interval for the percentage of U.S. adults who regularly use Facebook as a news source, at the 90% level of confidence. Round all answers to 2 decimal places. Margin of Error (as a percentage): Confidence Interval: % to % Find the margin of error and confidence interval for the percentage of U.S. adults who regularly use...
In a survey, 90 people were asked if they received at least some of their news...
In a survey, 90 people were asked if they received at least some of their news from social media. 61 responded Yes. (a) What is the 95% confidence interval for the proportion of people in the population who receive at least some of their news from social media? (b) Working at the 95% confidence level, how large a sample would be necessary to estimate the population proportion with a margin of error of ±0.02? Assume a planning value of p∗...
In a recent poll, 500 people were asked if they liked baseball, and 57% said they...
In a recent poll, 500 people were asked if they liked baseball, and 57% said they did. Find the margin of error of this poll, at the 95% confidence level. As in the reading, in your calculations: --Use z = 1.645 for a 90% confidence interval --Use z = 2 for a 95% confidence interval --Use z = 2.576 for a 99% confidence interval. Give your answer rounded to three decimal places.
In a survey of 1000 large corporations, 258 said that, given a choice between a job...
In a survey of 1000 large corporations, 258 said that, given a choice between a job candidate who smokes and an equally qualified nonsmoker, the nonsmoker would get the job. (a) Let p represent the proportion of all corporations preferring a nonsmoking candidate. Find a point estimate for p. (Round your answer to four decimal places.) (b) Find a 0.95 confidence interval for p. (Round your answers to three decimal places.) lower limit     upper limit     (c) As a news writer,...
In a poll of 2490 voters in a certain city, 61% said that they backed a...
In a poll of 2490 voters in a certain city, 61% said that they backed a bill which would limit growth and development in their city. The margin of error in the poll was reported as 2 percentage points (with a 95% degree of confidence). Which statement is correct?    The stated margin of error could be achieved with a smaller sample size     The sample size is too small to achieve the stated margin of error    There is...
An opinion poll randomly surveyed 1,700 people. The polling organization found the percentage of the sample...
An opinion poll randomly surveyed 1,700 people. The polling organization found the percentage of the sample that said the country is going in a positive direction. The margin of error of the confidence interval based on these results is ______ percentage points. Round your answer to the nearest tenth of a percentage point. Based on an opinion poll, a polling organization reported that they are 95% confident that between 48.9% and 55.3% of all adult Americans feel the country is...
2.- College ABC is interested in finding out the percentage of its students that still leave...
2.- College ABC is interested in finding out the percentage of its students that still leave with their parents. In a survey of 360 students, 144 lived with their parents. (a) Find a 90 percent confidence interval for the true proportion of students living with their parents. (b) Find a 95 percent confidence interval for the true proportion of students living with their parents. (c) Find a 99 percent confidence interval for the true proportion of students living with their...
6.38 Reporting margins of error. A U.S. News & World Report article of July 17, 2014,...
6.38 Reporting margins of error. A U.S. News & World Report article of July 17, 2014, reported Commerce Department estimates of changes in the construction industry: Construction fell 9.3 percent last month to a seasonally adjusted annual rate of 893,000 homes, the Commerce Department said Thursday. If we turn to the original Commerce Department report (released on July 17, 2014), we read: Privately-owned housing starts in June were at a seasonally adjusted annual rate of 893,000. This is 9.3 percent...
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT