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 44 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!

miss.ashley

  • Member
  • Posts: 371
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

« previous next »
 

Did you know?

Asthma is the most common chronic childhood disease in the world. Most children who develop asthma have symptoms before they are 5 years old.

Did you know?

Critical care patients are twice as likely to receive the wrong medication. Of these errors, 20% are life-threatening, and 42% require additional life-sustaining treatments.

Did you know?

In most cases, kidneys can recover from almost complete loss of function, such as in acute kidney (renal) failure.

Did you know?

Women are 50% to 75% more likely than men to experience an adverse drug reaction.

Did you know?

About 3.2 billion people, nearly half the world population, are at risk for malaria. In 2015, there are about 214 million malaria cases and an estimated 438,000 malaria deaths.

Women in the Workforce Women in the Workforce
U.S. Women in Political Office U.S. Women in Political Office
Performance of a delayed nonmatching-to-sample trial. Performance of a delayed nonmatching-to-sample trial.
Suppose that we have a sample space with five equally likely experimental outcomes: E1, E2, E3, ... Suppose that we have a sample space with five equally likely experimental outcomes: E1, E2, E3, ...
Tickets for the school play were $3 for students and $5 for all others. The box office sold 750 ... Tickets for the school play were $3 for students and $5 for all others. The box office sold 750 ...
Video: Hyperglycemia Animation

For a complete list of videos, visit our video library