# statistics

1. A state’s department of education reports that 12% of the high school students in that state attend private schools. The state university wonders if the percentage is the same in their applicant pool. Admissions officers plan to check a random sample of the over 10,000 applications on file to estimate the percentage of students applying for admission who attend private schools.
a. The admission officers want to estimate the true percentage of private school applicants to within 4%, with 90% confidence. How many applications should they sample?
b. They actually select a random sample of 450 applications, and find that 46 of those students attend private schools. Create the 90% confidence interval and interpret it in this context.
c. Should the admissions officers conclude that the percentage of private school students in their applicant pool is lower than the statewide enrollment rate of 12%? Explain your answer.

1. 👍 0
2. 👎 0
3. 👁 903

## Similar Questions

1. ### english

Which of the following would most likely be an entry in a sentence outline? A. Education beyond high school versus education beyond college B. Education as a pathway C. Education as a tool D. Education can change a person's life.

2. ### Math

The school band is comprised of middle school students and high school students, but it always has the same maximum capacity. Last year the ratio of the number of middle school students to the number of high school students was

3. ### careers

1. Career clusters are broad fields containing minimally related careers true false • 2. How many career clusters are there? a. 10 b. 17 • c. 11 3. CTSOs are not for students who plan to go to college true false • 4. Which

4. ### College Prep

What is the main function of an official transcript in high school? a. to reflect high school graduation credits and requirements b.to monitor attendance and behavior c. to chart standardized test scores and class grades d. to

1. ### statistics

Approximately 10.3% Of American High School Students Drop Out Before Graduation. Choose 10 Students Entering High School At Random. Find the probability that at least 6 will graduate

2. ### psychology

You find out that the average 10th grade math score, for Section 6 of the local high school, is 87 for the 25 students in the class. The average test score for all 10th grade math students across the state is 85 for 1,800

3. ### English

Which of the following would most likely be an entry in a sentence outline? A. Education tool B. Education can change a person's life C. Education as a pathway D. Education beyond high school versus education beyond college My

4. ### MATH

A researcher wants to select a sample of 50 students from four local private high schools by performing stratified sampling. The enrollments are shown in the table. How many students at each school should be included in the​

1. ### MATH

A local high school's athletic department wants to calculate the proportion of students who have attended a girls softball game at the school. Using student email addresses, the department randomly chooses 250 students and emails

2. ### Math

One day at ABC high school, 1/12 of the students were absent,and 1/5 of those present went on field trip.if the number of the students staying in school that day was 704,h0w many students are enrolled at ABC high?

3. ### math

according to the school survey, 12% of the students at rockwood junion high school seak spanish. There are 36 students at the school who speak spanish. How many students were surveyed?

4. ### math

Before they graduate from Great Lakes High School, all 12th-grade students fill out a survey about their future college plans. Are you attending an in-state college after high school graduation? Will you begin college during the