We wish to estimate what percent of adult residents in a certain county are parents. Out of 600 adult residents sampled, 186 had kids. Based on this, construct a 90% confidence interval for the proportion of adult residents who ate perents in this county.

In a survey of 2130 adults in a recent​ year, 1491 say they have made a New​ Year's resolution. Construct​ 90% and​ 95% confidence intervals for the population proportion. Interpret the results and compare the widths of the confidence intervals.

A study of 30 college students showed that 25 are binge watching series. Find a 95% confidence interval for the proportion of students that are binge watching series.

Out of 200 people sampled, 116 had kids. Based on this, construct a 95% confidence interval for the true population proportion of people with kids.Give your answers as decimals, to four places

Out of 600 people sampled , 102 had kids. Based on this , construct a 90% confidence interval for true population proportion of people with kids . give your answers as decimals to three places

In a survey of 3500 ​adults, 1443 say they have started paying bills online in the last year.   Construct a​ 99% confidence interval for the population proportion. Interpret the results.

Wildlife biologists inspect 180 deer taken by hunters and find 36 of them carrying Lyme disease ticks. Calculate a 95% confidence interval for the proportion of deer that carry Lyme disease ticks.

In the United States, 1000 residents aged 15 or older were surveyed and 870 replied that they were satisfied with the water quality. The 90% confidence interval estimate of all U.S residents satisfied with their water quality is

a survey of 3080 ​adults, 1471 say they have started paying bills online in the last year.   Construct a​ 99% confidence interval for the population proportion. Interpret the results

To estimate the proportion of students who purchase their textbooks used, 500 students were sampled. 210 of these students purchased used textbooks. Find a 99% confidence interval for the proportion of students who purchase used text books.