A random poll of 800 working men found that 12% had taken on a second job...
A random poll of 800 working men found that 12% had taken on a second job to help pay the bills.
a) Estimate the true percentage of men that are taking on second jobs by constructing a 95% confidence interval.
b) A pundit on a TV news show claimed that only 99% of working men had a second job. Use your confidence interval to test whether his claim is plausible given the poll data.
a) Construct a 95% confidence interval for the sample proportion.
The 95% confidence interval is (___ ,___ ).
(Round to three decimal places as needed.)
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A random poll of 800 working men found that 12% had taken on a
second job...
Hard Times: In June 2010, a random poll of 800 working men found that 9% had...
Hard Times: In June 2010, a random poll of 800 working men found that 9% had taken a second job to help pay the bills A) Estimate the true percentage of men that are taking on second jobs y constructing a 95% confidence interval B) A pundit on TV news show claimed that only 6% of working men had a second job. Use your confidence interval to test whether his claim is plausible given the poll data.
Plz attach formula and step by step to create confidence interval A random poll of 800...
Plz attach formula and step by
step to create confidence interval
A random poll of 800 working men found that 9% had taken on a second job to help pay the bills. a) Estimate the true percentage of men that are taking on second jobs by constructing a 95% confidence interval. b) A pundit on a TV news show claimed that only 6% of working men had a second job. Use your confidence interval to test whether his claim is...
A poll conducted in 2013 found that the proportion of of U.S. adult Twitter users who...
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A particular poll tracks daily the percentage of citizens from a certain country who approve or...
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1,2,3,4 is True/False (6 points) A poll conducted in 2013 found that the proportion of of...
1,2,3,4 is True/False
(6 points) A poll conducted in 2013 found that the proportion of of U.S. adult Twitter users who get at least some news on Twitter was 0.52. The standard error for this estimate was 0.024, and a normal distribution may be used to model the sample proportion. 1. Construct a 99% confidence interval for the proportion of U.S. adult Twitter users who got some news on Twitter. Round to three decimal places. to 2. Identify each of...
IVILVIU Cancy OX. Healthcare A Gallup poll conducted in November 2010 found that 493 of 1050...
IVILVIU Cancy OX. Healthcare A Gallup poll conducted in November 2010 found that 493 of 1050 adult Americans believe it is the responsibility of the federal government to make sure all Americans have healthcare coverage. (a) Obtain a point estimate for the proportion of adult Americans who believe it is the responsibility of the federal government to make sure all Americans have healthcare coverage. (b) Verify that the requirements for constructing a confidence interval for p are satisfied. (c) Construct...
5. A simple random sample of 720 American workers was taken as part of a poll....
5. A simple random sample of 720 American workers was taken as part of a poll. Among these 720 workers, 55% stated that they expect to leave their job within the next five years. [14 pts] How many of the 720 workers sampled expect to leave their job within the next five years? a. b. Check the conditions required to use the confidence interval procedure. c. Construct a 90% confidence interval for the proportion of all American workers who expect...
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It has been found that 26% of men 20 years and older suffer from hypertension (high...
It has been found that 26% of men 20 years and older suffer from hypertension (high blood pressure) and 31.5% of women are hypertensive. A random sample 150 of each gender was selected from recent hospital records, and the following results were obtained. Men. 43 patients had high blood pressure Woman. 52 patients had high blood pressure. (a) Construct 95% confidence interval for the difference of the two proportion. Round your answer to nearest ten-thousandth. Interpret the result. (b) Based...
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Plz attach formula and step by
step to create confidence interval
A random poll of 800 working men found that 9% had taken on a second job to help pay the bills. a) Estimate the true percentage of men that are taking on second jobs by constructing a 95% confidence interval. b) A pundit on a TV news show claimed that only 6% of working men had a second job. Use your confidence interval to test whether his claim is...
1,2,3,4 is True/False
(6 points) A poll conducted in 2013 found that the proportion of of U.S. adult Twitter users who get at least some news on Twitter was 0.52. The standard error for this estimate was 0.024, and a normal distribution may be used to model the sample proportion. 1. Construct a 99% confidence interval for the proportion of U.S. adult Twitter users who got some news on Twitter. Round to three decimal places. to 2. Identify each of...
IVILVIU Cancy OX. Healthcare A Gallup poll conducted in November 2010 found that 493 of 1050 adult Americans believe it is the responsibility of the federal government to make sure all Americans have healthcare coverage. (a) Obtain a point estimate for the proportion of adult Americans who believe it is the responsibility of the federal government to make sure all Americans have healthcare coverage. (b) Verify that the requirements for constructing a confidence interval for p are satisfied. (c) Construct...
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4. During April 5-12, 2010, A CBS News/New York Times poll surveyed a sample of 1,580 adult Americans. 40% of those surveyed believed current gun control laws should be made more strict. a. Construct a 95% confidence interval for the proportion of all adult Americans who believe gun control laws should be made more strict. State the width and the margin of error for this confidence interval. [6] b. What would happen to the margin of error if the confidence...
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