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 123 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
:D TYSM

Joy Chen

  • Member
  • Posts: 354
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

« previous next »
 

Did you know?

Most women experience menopause in their 50s. However, in 1994, an Italian woman gave birth to a baby boy when she was 61 years old.

Did you know?

No drugs are available to relieve parathyroid disease. Parathyroid disease is caused by a parathyroid tumor, and it needs to be removed by surgery.

Did you know?

The highest suicide rate in the United States is among people ages 65 years and older. Almost 15% of people in this age group commit suicide every year.

Did you know?

It is believed that humans initially contracted crabs from gorillas about 3 million years ago from either sleeping in gorilla nests or eating the apes.

Did you know?

To combat osteoporosis, changes in lifestyle and diet are recommended. At-risk patients should include 1,200 to 1,500 mg of calcium daily either via dietary means or with supplements.

Reversible amino acid modifications involved in regulation of protein activity Reversible amino acid modifications involved in regulation of protein activity
Sample Problem from Raven’s Progressive Matrices Sample Problem from Raven’s Progressive Matrices
The percentage of women over 40 in the United States who are childless has almost doubled in the ... The percentage of women over 40 in the United States who are childless has almost doubled in the ...
Sample Checklist of Opening and Closing Duties Sample Checklist of Opening and Closing Duties
Including Students with Special Needs: A Practical Guide for Classroom Teachers, 8th Edition Including Students with Special Needs: A Practical Guide for Classroom Teachers, 8th Edition
The decay constant of radon-222 is 0.181 d-1. If a sample of radon initially contains 6.00 × ... The decay constant of radon-222 is 0.181 d-1. If a sample of radon initially contains 6.00 × ...
Video: Digestive System Animation

For a complete list of videos, visit our video library