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 122 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
Gracias!

Sarahjh

  • Member
  • Posts: 370
Reply 3 on: Yesterday
Excellent

« previous next »
 

Did you know?

The calories found in one piece of cherry cheesecake could light a 60-watt light bulb for 1.5 hours.

Did you know?

The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.

Did you know?

Human neurons are so small that they require a microscope in order to be seen. However, some neurons can be up to 3 feet long, such as those that extend from the spinal cord to the toes.

Did you know?

The top five reasons that children stay home from school are as follows: colds, stomach flu (gastroenteritis), ear infection (otitis media), pink eye (conjunctivitis), and sore throat.

Did you know?

For pediatric patients, intravenous fluids are the most commonly cited products involved in medication errors that are reported to the USP.

Sample Problem from Raven’s Progressive Matrices Sample Problem from Raven’s Progressive Matrices
Absorption & Stripping Design Random packing materials Absorption & Stripping Design Random packing materials
“Career choice” for many women means leaving their paid jobs for a number of years when they ... “Career choice” for many women means leaving their paid jobs for a number of years when they ...
Work and Gender: Women at Work in India Work and Gender: Women at Work in India
Students and Money Students and Money
Pregnant and Lactating Women, Children, the Ill, and Older Adults Are at the Highest Risk Pregnant and Lactating Women, Children, the Ill, and Older Adults Are at the Highest Risk
Video: Types of synapses - electrical & chemical

For a complete list of videos, visit our video library