According to a recent survey of 1600 people, 62 % feel that the president is doing an acceptable job. Construct a 90 % confidence interval for the population proportion of people who feel the president is doing an acceptable job.

An actuary is interested in estimating the proportion of young adults who plan to have children someday she takes an SRS of 60 young adults and finds that 48 of them plan to have children construct A 99% confidence interval for the proportion of young adults who plan to have children someday.

In a survey of 3246 ​adults, 1418 say they have started paying bills online in the last year.   Construct a​ 99% confidence interval for the population proportion. Interpret the results.

You want to determine if the proportion of people who will vote for the president next year has increased due to current events. You take a simple random sample of 1100 individuals and find that 897 of them said that they will be voting in the election. Construct a 95% confidence interval, by hand (mean using the equations in the section). Show your work. And then write the conclusion to the confidence interval (follow the examples in the modules) in a complete sentence.

A political researcher takes a survey of 310 randomly selected registered voters in Orlando, and each person was asked who they plan on voting for in the 2024 presidential election.  110 said they plan on voting for Candidate A, 185 said they plan on voting for Candidate B, and 15 were unsure or plan to vote for another candidate.  The researcher wants to construct a 95% confidence interval for the proportion of all registered voters in Orlando who plan to vote for Candidate B.   What is the point estimate? Round final answer to 3 decimal places.

In 2013, the Gallup poll asked 1,039 American adults if they believe there was a conspiracy in the assassination of President Kennedy, and found that 634 believe there was a conspiracy ("Gallup news service" 2013). What is the Estimate of proportion of Americans who believe in this conspiracy using a 90% confidence interval?

In a survey of 2291 ​adults, 708 say they believe in UFOs.   Construct a 90% confidence interval for the population proportion of adults who believe in UFOs

A Gallup poll of 1487 adults showed that 43% of the respondents have Facebook pages.  Construct a 95% confidence interval for the proportion of adults who have a Facebook page.

In a recent survey of 1092 students, 966 of them would like to recommend www.helpyourmath.com to their friends. Construct a 95% confidence interval estimate the proportion of all students who would recommend to their friends. www.helpyourmath.com Give your answers to three decimals:

In a survey of 3038 ​adults, 1448 say they have started paying bills online in the last year.   Construct a​ 99% confidence interval for the population proportion. Interpret the results.