In a random sample of 400 students at a university, 340 stated that they were nonsmokers. Based on this sample, compute a 95% confidence interval for the proportion of all students at the university who are nonsmokers. (use the table)

in a survey of 692 lesbian, gay, bisexual, or transgender U.S adults 378 said that they consider themselves bisexual. Construct a 90% confidence interval for the population proportion of lesbian, gay, bisexual, or transgender U.S adults who consider themselves bisexual.

In a survey of 6000 high school students, 3230 read books during the summer break. Using these sample statistics, find a 99% confidence interval for the proportion p of all high school students that read books during the summer break.

Out of 600 people sampled, 402 had kids. Based on this, construct a 95% confidence interval for the true population proportion of people with kids.

In a survey of 500 women, 120 said that Valentine’s Day was their favorite occasion to receive flowers. Construct an 88% confidence interval for the proportion of all women who feel that Valentine’s Day is their favorite occasion to receive flowers.

In a survey, 545 college students are randomly selected and asked whether or not they own a car. Of those surveyed, it is found that 210 own a car. Use this data to find a 99% confidence interval for the true proportion of all college students who own a car.

Out of 100 people sampled, 40 had kids. Based on this, construct a 99% confidence interval for the true population proportion of people with kids.

Of 130 adults selected randomly from one town, 25 of them smoke. Construct a 99% confidence interval for the true percentage of all adults in the town that smoke.

In a survey of 2322 adults, 729 say they believe in UFOS. Construct a 90% confidence interval for the population proportion of adults who believe in UFOS. A 90% confidence interval for the population proportion is (.). (Round to three decimal places as needed.)

Out of 600 people sampled, 42 had kids. Based on this, construct a 99% confidence interval for the true population proportion of people with kids.