Translate the statement into a confidence interval. Approximate the level of confidence. In a survey of 1048 parents of...
Translate the statement into a confidence interval. Approximate the level of confidence.
In a survey of 1048 parents of children ages 8-14, 75% say they are willing to get a second or part-time job to pay for their children's college education and 45% say they lose sleep worrying about college costs. The survey's margin of error is plus or minus±3%.
Use the results from the survey about getting a second or part-time job.
The confidence interval for the proportion is
left parenthesis nothing comma nothing right parenthesis,.
(Round to three decimal places as needed.)
Use the results from the survey about getting a second or part-time job.
The interval is a nothing% confidence interval.
(Round to one decimal place as needed.)
Use the results from the survey about losing sleep.
The confidence interval for the proportion is
left parenthesis nothing comma nothing right parenthesis,.
(Round to three decimal places as needed.)
Use the results from the survey about losing sleep.
The interval is a
nothing%
confidence interval.
(Round to one decimal place as needed.)
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Translate the statement into a confidence interval. Approximate the level of confidence. In a survey of 1048 parents of...
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 1100 parents of children ages 8-14, 74% say they are willing to get a second or part-time job to pay for their children's college education and 40% say they lose sleep worrying about college costs. The survey's margin of error is plus or minus±3%. Use the results from the survey about getting a second or part-time job. The confidence interval for the proportion is...
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 1038 adults in a country, 77% said being able to speak the language is at the core of national identity. The survey's margin of error is +3.8% The confidence interval for the proportion is (0.732.0.808) (Round to three decimal places as needed.) The interval is a % confidence interval. (Round to one decimal place as needed.)
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 1000 adults in a country, 78% said being able to speak the language is at the core of national identity. The survey's margin of error is +3.5%.
The figure to the right shows the results of a survey in which 3000 college graduates...
The figure to the right shows the results of a survey in which 3000 college graduates from the year 2016 were asked questions about employment.Construct 99% confidence intervals for the population proportion of college students who gave each response. A table labeled "Employment, College students' responses to questions about employment" consists of five rows containing the following information from top to bottom, with row listed first and information listed second: Expect to stay at first employer for 3 or more...
In a survey of 2673 adults, 1400 say they have started paying bills online in the...
In a survey of 2673 adults, 1400 say they have started paying bills online in the last year. Construct a 99% confidence interval for the population proportion. Interpret the results. A 99% confidence interval for the population proportion is left parenthesis nothing comma nothing right parenthesis . (Round to three decimal places as needed.) Interpret your results. Choose the correct answer below. A. With 99% confidence, it can be said that the sample proportion of adults who say they have...
The table to the right shows the results of a survey in which 26002600 adults from...
The table to the right shows the results of a survey in which 26002600 adults from Country A, 11081108 adults from Country B, and 10911091 adults from Country C were asked if human activity contributes to global warming. Complete parts (a), (b), and (c). Adults who say that human activity contributes to global warming Country Upper ACountry A 6666% Country Upper BCountry B 8989% Country Upper CCountry C 9595% (a) Construct a 9999% confidence interval for the proportion of adults...
The figure to the right shows the results of a survey in which 3000 college graduates...
The figure to the right shows the results of a survey in which 3000 college graduates from the year 2016 were asked questions about employment.Construct 99% confidence intervals for the population proportion of college students who gave each response. A table labeled "Employment, College students' responses to questions about employment" consists of five rows containing the following information from top to bottom, with row listed first and information listed second: Expect to stay at first employer for 3 or more...
The table to the right shows the results of a survey in which 2552 adults from...
The table to the right shows the results of a survey in which 2552 adults from Country A, 1146 adults from Country B, and 1066 adults from Country C were asked if human activity contributes to global warming. Complete parts (a), (b), and (c). Adults who say that human activity contributes to global warming Country Upper A 60% Country Upper B 89% Country Upper C 93% (a) Construct a 95% confidence interval for the proportion of adults from Country Upper...
Use the sample data and confidence level to construct the confidence interval estimate of the population...
Use the sample data and confidence level to construct the confidence interval estimate of the population proportion p. n equals 500 comma x equals 300 comma 90 % confidence nothingless thanpless than nothing (Round to three decimal places as needed.)
In a survey of 662 males ages 18-64, 397 say they have gone to the dentist...
In a survey of 662 males ages 18-64, 397 say they have gone to the dentist in the past year. Construct 90% and 95% confidence intervals for the population proportion. Interpret the results and compare the widths of the confidence intervals. If convenient, use technology to construct the confidence intervals. The 90% confidence interval for the population proportion p is ( nothing, nothing). (Round to three decimal places as needed.) The 95% confidence interval for the population proportion p is...
Translate the statement into a confidence interval. Approximate the level of confidence In a survey of 1038 adults in a country, 77% said being able to speak the language is at the core of national identity. The survey's margin of error is +3.8% The confidence interval for the proportion is (0.732.0.808) (Round to three decimal places as needed.) The interval is a % confidence interval. (Round to one decimal place as needed.)
Translate the statement into a confidence interval. Approximate the level of confidence. In a survey of 1000 adults in a country, 78% said being able to speak the language is at the core of national identity. The survey's margin of error is +3.5%.
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