This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: A random sample of 400 students involved in club activities showed that 250 were women. What is an ... (Read 43 times)

bb

  • Hero Member
  • *****
  • Posts: 544
on: Jul 24, 2018
A random sample of 400 students involved in club activities showed that 250 were women. What is an approximate 95 confidence interval for the proportion of all students involved in club activities who are women?

Question 2

A random sample of 2000 students showed that 800 were in favor of more movies on campus. Report the results of this poll using the sample proportion and margin of error.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

wfdfwc23

  • Sr. Member
  • ****
  • Posts: 338
Reply #1 on: Jul 24, 2018
Answer to Question 1

57.5 to 67.5

Answer to Question 2

40 of the sample favored more movies on campus. The margin of error was 2.2.


bb

  • Member
  • Posts: 544
Reply 2 on: Jul 24, 2018
Excellent

Hdosisshsbshs

  • Member
  • Posts: 315
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

« previous next »
 

Did you know?

Many medications that are used to treat infertility are injected subcutaneously. This is easy to do using the anterior abdomen as the site of injection but avoiding the area directly around the belly button.

Did you know?

Looking at the sun may not only cause headache and distort your vision temporarily, but it can also cause permanent eye damage. Any exposure to sunlight adds to the cumulative effects of ultraviolet (UV) radiation on your eyes. UV exposure has been linked to eye disorders such as macular degeneration, solar retinitis, and corneal dystrophies.

Did you know?

Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.

Did you know?

More than 34,000 trademarked medication names and more than 10,000 generic medication names are in use in the United States.

Did you know?

The first monoclonal antibodies were made exclusively from mouse cells. Some are now fully human, which means they are likely to be safer and may be more effective than older monoclonal antibodies.

Adolescent females who participate in activities such as ballet are at risk for eating disorders Adolescent females who participate in activities such as ballet are at risk for eating disorders
Medical assistants are often involved in confidential conversations between the physician and the pa Medical assistants are often involved in confidential conversations between the physician and the pa
Self-Esteem in a Longitudinal Sample Self-Esteem in a Longitudinal Sample
Sample prescriptions of drugs for oral fungal infections. Sample prescriptions of drugs for oral fungal infections.
The Kinsey Report on American Women The Kinsey Report on American Women
Fun activities kids Fun activities kids
Video: Major Elements in Biological Molecules: Proteins

For a complete list of videos, visit our video library