Question

What confindence level did the pollsters use? A newspaper reports that the governor's approval rating stands...

What confindence level did the pollsters use? A newspaper reports that the governor's approval rating stands at 60%. The article adds that the poll is based on a random sample of 1,476 adults and has a margin of error of 2.5%.

a) 90

b) 95

c) 98

d) 99

e) Not enough information given

Homework Answers

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 newspaper reports that the​ governor's approval rating stands at 47​%. The article adds that the...
A newspaper reports that the​ governor's approval rating stands at 47​%. The article adds that the poll is based on a random sample of 1063 adults and has a margin of error of 3 %. What level of confidence did the pollsters​ use? options are: 90, 95, 98, or 99%
A TV news reporter says that a proposed constitutional amendment is likely to win approval in...
A TV news reporter says that a proposed constitutional amendment is likely to win approval in the upcoming election because a poll of 599 likely voters indicated that 52 ​% would vote in favor. The reporter goes on to say that the margin of error for this poll was 4 ​%. Complete parts a and b below. ​a) Explain why the poll is actually inconclusive. Choose the correct answer below. A. The poll is inconclusive because​ 50% is included in...
A small company involved in​ e-commerce is interested in statistics concerning the use of​ e-mail. A...
A small company involved in​ e-commerce is interested in statistics concerning the use of​ e-mail. A poll found that 36​% of a random sample of 1084 ​adults, who use a computer at their​ home, work, or​ school, said they do not send or receive​ e-mail. Complete parts a through e. ​a) Find the margin of error for this poll if we want 99​% confidence in our estimate of the percent of American adults who do not use​ e-mail. MEequals 34...
A biotechnology firm is planning its investment strategy for future products and research labs. A poll...
A biotechnology firm is planning its investment strategy for future products and research labs. A poll found that 99​% of a random sample of 1022 adults approved of attempts to clone a human. Use this information to complete parts a through e. ​ a) Find the margin of error for this poll if we want 95​% confidence in our estimate of the percent of adults who approve of cloning humans. ME = ________________(round to three decimal places) b) Explain what...
A political candidate has asked you to conduct a poll to determine what percentage of people...
A political candidate has asked you to conduct a poll to determine what percentage of people support him. If the candidate only wants a 4% margin of error at a 97.5% confidence level, what size of sample is needed? When finding the z-value, round it to four decimal places. You want to obtain a sample to estimate a population proportion. At this point in time, you have no reasonable preliminary estimation for the population proportion. You would like to be...
1. When constructing a confidence interval to estimate a population proportion, what affects the size of...
1. When constructing a confidence interval to estimate a population proportion, what affects the size of the margin of error? A. The sample size B. The sample proportion C. The confidence level D. All of the above affect the size of the margin of error E. None of the above affect the size of the margin of error 2. What percentage of couples meet through online dating apps? A survey of a random sample of couples finds that 12% say...
(1 point) Is college worth it? Part I Among a simple random sample of 331 American...
(1 point) Is college worth it? Part I Among a simple random sample of 331 American adults who do not have a four-year college degree and are not currently enrolled in school, 48% said they decided not to go to college because they could not afford school. A newspaper article states that only a minority of the Americans who decide not to go to college do so because they cannot afford it and uses the point estimate from this survey...
WASHINGTON, D.C. -- An average of 13% of adults worldwide rated their lives poorly enough to...
WASHINGTON, D.C. -- An average of 13% of adults worldwide rated their lives poorly enough to be considered "suffering," according to Gallup surveys in 146 countries in 2011. The percentage rating their current and future lives poorly enough to be considered suffering was as high as 45% in Bulgaria and as low as 1% or less in the United Arab Emirates, Netherlands, Luxembourg, Canada, Thailand, and Brazil. Gallup classifies respondents as "thriving," "struggling," or "suffering" according to how they rate...
The owner of a local golf course wants to determine the average age of the golfers...
The owner of a local golf course wants to determine the average age of the golfers that play on the course in relation to the average age in the area. According to the most recent census, the town has an average age of 23.44. In a random sample of 26 golfers that visited his course, the sample mean was 30.63 and the standard deviation was 8.771. Using this information, the owner calculated the confidence interval of (25.84, 35.42) with a...
1) Total plasma volume is important in determining the required plasma component in blood replacement therapy...
1) Total plasma volume is important in determining the required plasma component in blood replacement therapy for a person undergoing surgery. Plasma volume is influenced by the overall health and physical activity of an individual. Suppose that a random sample of 47 male firefighters are tested and that they have a plasma volume sample mean of x = 37.5 ml/kg (milliliters plasma per kilogram body weight). Assume that σ = 7.20 ml/kg for the distribution of blood plasma. (a) Find...
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT