in a survey of 499 randomly selected gun owners, it was found that 62 of them said they owned a gun primarily for protection. find the margin of error and 95% confidence interval for the percentage of all gun owners who would say they own a gun primarily for protection.

A survey of 360 college seniors found that 305 wish they had spent more time studying. Find a 94% confidence interval for the true proportion p of those who wish they had spent more time studying.

A college administrator is interested in determining the proportion of students who receive some sort of financial aid. Instead of examining the records for all students, the administrator randomly draws 120 students and finds that 48 of them are receiving financial aid. Use a 90% confidence interval to estimate the true proportion of students who receive financial aid.

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.

A research company is interested in determining the true proportion of Americans that work remotely. In a random sample of 200 individuals, 4.5% of them work remotely. Find a 90% confidence interval for the true proportion of Americans that work remotely.

In a certain state, a survey of 500 workers showed that 38% belonged to a union.  Find the 93% confidence interval for the overall proportion of workers who belong to a union

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 sample of 400 Canadians, 220 say they would rather retire in the US than in Canada. Calculate the 95% confidence interval for the true proportion of Canadians who would rather retire in the US.

The National Research center conducted a survey of 1000 people to learn about their major international concern.  The survey results showed that 760 of the respondents indicated computer cyber attacks is their major international concern.  Develop a 94% confidence interval for the population proportion of adults who think computer cyber attacks is their major international concern.

Of 375 randomly selected students, 30 said that they planned to work in a rural community. Find 95% confidence interval for the true proportion of all medical students who plan to work in a rural community. b. Can you say that more than 10% of the medical students plan to work for a rural area?