Question

Translate the statement into a confidence interval. Approximate the level of confidence. In a survey of...

Translate the statement into a confidence interval. Approximate the level of confidence.

In a survey of 3433 adults in a​ country,41​% believe the economy is getting better. Three weeks prior to this​ survey, 59​% believed that the economy was getting better. The​ survey's margin of error is plus or minus±1​%.

Math   Statistics-And-Probability   
0 0
Add a commentTranscribed image text
Next >

Homework Answers

Answer #1

please like if it helps me please please

Thank you so much

0 0
Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Log In

Sign Up

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
Translate the statement into a confidence interval. Approximate the level of confidence. In a survey of...
Translate the statement into a confidence interval. Approximate the level of confidence. In a survey of 1032 parents of children ages​ 8-14, 69​% say they are willing to get a second or​ part-time job to pay for their​ children's college education and 44% say they lose sleep worrying about college costs. The​ survey's margin of error is plus or minus ±4​%. Use the results from the survey about getting a second or​ part-time job.
Translate the excerpt below into a confidence interval for p and approximate the value of the...
Translate the excerpt below into a confidence interval for p and approximate the value of the level of​ confidence, c. In a survey of 8467 ​adults, 29.1​% said they were taking vitamin E as a supplement. The​ survey's margin of error is plus or minus 1​%. The confidence interval proportion p is (___,___) Round to three decimal places as needed
Translate the excerpt below into a confidence interval for p and approximate the value of the...
Translate the excerpt below into a confidence interval for p and approximate the value of the level of​ confidence, c. In a survey of 8495​ adults,32.7​%said they were taking vitamin E as a supplement. The​ survey's margin of error is plus or minus 1​%. a) The confidence interval for the proportion p is ( , ) b) The interval is approximately a___% confidence interval.
Translate the statement into confidence intervals. Approximate the level of confidence. In a survey of 1062...
Translate the statement into confidence intervals. Approximate the level of confidence. In a survey of 1062 in a country 78% said being able to speak the language is at the core of national identity . The surveys margin of error is +-3.9%. The confidence interval for the proportion is (?,?)
How's the economy? A pollster wants to construct a 99.5% confidence interval for the proportion of...
How's the economy? A pollster wants to construct a 99.5% confidence interval for the proportion of adults who believe that economic conditions are getting better. b) Estimate the sample size needed if no estimate of P is available. A sample of _ adults is needed to obtain a 99.5 confidence interval with a margin of error of 0.03.
How's the economy? A pollster wants to construct a 99.5% confidence interval for the proportion of...
How's the economy? A pollster wants to construct a 99.5% confidence interval for the proportion of adults who believe that economic conditions are getting better. Part: 0 / 20 of 2 Parts Complete Part 1 of 2 (a) A poll taken in July 2010 estimates this proportion to be 0.37. Using this estimate, what sample size is needed so that the confidence interval will have a margin of error of 0.03? A sample of __ adults is needed to obtain...
How's the economy? A pollster wants to construct a 95 % confidence interval for the proportion...
How's the economy? A pollster wants to construct a 95 % confidence interval for the proportion of adults who believe that economic conditions are getting better. (a) A poll taken in July 2010 estimates this proportion to be 0.41 . Using this estimate, what sample size is needed so that the confidence interval will have a margin of error of 0.02 ? (b) Estimate the sample size needed if no estimate of p is available. Part 1 of 2 (a)...
A poll wants to construct a 95% confidence interval for the proportion of adults who believe...
A poll wants to construct a 95% confidence interval for the proportion of adults who believe that economic conditions are getting better. A poll taken in July estimates this proportion to be 0.33 using this estimate what sample sizes needed so that the confidence interval will have a margin of error of .081
A pollster wants to construct a 95% confidence interval for the proportion of adults who believe...
A pollster wants to construct a 95% confidence interval for the proportion of adults who believe that economic conditions are getting better. A Gallup poll taken in July 2010 estimates this proportion to be 0.33. Using this estimate, what sample size is needed so that the confidence interval will have a margin of error of 0.034 ? Write only an integer as your answer .
A pollster wants to construct a 95% confidence interval for the proportion of adults who believe...
A pollster wants to construct a 95% confidence interval for the proportion of adults who believe that economic conditions are getting better. A Gallup poll taken in July 2010 estimates this proportion to be 0.33. Using this estimate, what sample size is needed so that the confidence interval will have a margin of error of 0.010 ? Write only an integer as your answer.
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT