# Algebra 2: Prob and Stats

A survey of 480 high school students found that 37% had a pet. Find the margin of error. Round to the nearest percent. Use the margin of error to find an interval that is likely to contain the true population proportion.

* margin of error = +-5%
interval, 37% to 42%

* margin of error = +-5%
interval, 32% to 42%

* margin of error = +-7%
interval, 30% to 44%

* margin of error = +-7%
interval, 37% to 44%

## Similar Questions

1. ### Statistics Math

Pye and Associates recently conducted a survey to determine the percent of adult county residents who believe that students in public high schools should wear uniforms to school. The telephone poll of 325 adults found that 35% of
2. ### Statistics

In a survey of 80 high school football players who committed to play in the Division III CCIW conference, 64 said that they would work out in their high school weight rooms in the summer before college. The margin of error for the
3. ### math help

A survey was done recently by the Royal Bank with Ipsos Reid (reported in Globe and Mail Aug 16 2010) about financial issues that university students face. (Data used here is based on that survey, but randomized to be still within
4. ### stats

A survey was done recently by the Royal Bank with Ipsos Reid (reported in Globe and Mail Aug 16 2010) about financial issues that university students face. (Data used here is based on that survey, but randomized to be still within
5. ### Statistics

1200 high school freshman were randomly selected for a national survey. Among survey participants, the mean grade-point average was 2.8, and standard deviation was 0.6. What is the margin of error, assuming a 95% confidence level?
6. ### Statistics

A high school counselor is interested in the percentage of students who will be going to college. She randomly picks 60 students and finds that 53 will be going to college. Use a 95% confidence level to find the population
7. ### Math

You want to find out what the favorite hot lunch in the school cafeteria is among the high school students. At an assembly for the whole school, you decide to survey all students who are sitting on the end of their rows in the
8. ### Math Survey

James wants to find out the favorite movie of students in his school. Which method would give James the BEST results? A) survey every student on the football team B) survey every student that walks to school C) survey only
9. ### Statistics

The results of a nationwide survey show that 57.40% of college students have violated rules of alcohol use. The margin of error for the survey is 2.30%. What does this mean?
10. ### statistics

In a survey of 5100 TV viewers, 40% said they watch network news programs. Find the margin of error for this survey if we want 95% confidence in our estimate of the percent of TV viewers who watch network news programs. Hint, find

More Similar Questions