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

Author Question: Use the two-proportions z-interval procedure to obtain the required confidence interval for the ... (Read 61 times)

natalie2426

  • Hero Member
  • *****
  • Posts: 524
on: Apr 7, 2020
Use the two-proportions z-interval procedure to obtain the required confidence interval for the difference between two population proportions.  Assume that independent simple random samples have been selected from the two populations.

In a random sample of 53 Democrats from one city, 11 approved of the mayor's performance. In a random sample of 57 Republicans from the city, 21 approved of the mayor's performance.  Find a 90% confidence interval for the difference between the proportions of Democrats and Republicans who approve of the mayor's performance.
◦ 0.067 to 0.348
◦ 0.040 to 0.374
◦ -0.300 to -0.021
◦ 0.041 to 0.374
Introductory Statistics ¦ Weiss ¦ 10th Edition
Buy Test-Bank


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by natalie2426 on Apr 7, 2020

ryrychapman11

  • Sr. Member
  • ****
  • Posts: 334
Reply #1 on: Apr 7, 2020
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
Answer Preview
Only 32% of students answer this correctly


natalie2426

  • Member
  • Posts: 524
Reply 2 on: Apr 7, 2020
Excellent

meganmoser117

  • Member
  • Posts: 303
Reply 3 on: Yesterday
:D TYSM

« previous next »
 

Did you know?

As many as 20% of Americans have been infected by the fungus known as Histoplasmosis. While most people are asymptomatic or only have slight symptoms, infection can progress to a rapid and potentially fatal superinfection.

Did you know?

About 3% of all pregnant women will give birth to twins, which is an increase in rate of nearly 60% since the early 1980s.

Did you know?

In the United States, congenital cytomegalovirus causes one child to become disabled almost every hour. CMV is the leading preventable viral cause of development disability in newborns. These disabilities include hearing or vision loss, and cerebral palsy.

Did you know?

According to the American College of Allergy, Asthma & Immunology, more than 50 million Americans have some kind of food allergy. Food allergies affect between 4 and 6% of children, and 4% of adults, according to the CDC. The most common food allergies include shellfish, peanuts, walnuts, fish, eggs, milk, and soy.

Did you know?

Approximately one in four people diagnosed with diabetes will develop foot problems. Of these, about one-third will require lower extremity amputation.

Obstetrical sonography and fetometry. (a) The procedure is performed in a clinical setting. The inst Obstetrical sonography and fetometry. (a) The procedure is performed in a clinical setting. The inst
A strike by 800 women shoemakers in Lynn, Massachusetts, in 1860. In 1851 a Lynn shoemaker had adapt A strike by 800 women shoemakers in Lynn, Massachusetts, in 1860. In 1851 a Lynn shoemaker had adapt
How to use the closed interval method to find absolute maximum and minimum values How to use the closed interval method to find absolute maximum and minimum values
The time spent in each interval of one complete cell cycle of a human cell in culture The time spent in each interval of one complete cell cycle of a human cell in culture
How much heat energy in Joules is required to heat 16.0 g of copper from 23.0 °C How much heat energy in Joules is required to heat 16.0 g of copper from 23.0 °C
Microarray procedure for analyzing gene expression in normal and cancer cells Microarray procedure for analyzing gene expression in normal and cancer cells
Video: Interview with an Anorexic Woman (Part 1 of 2)

For a complete list of videos, visit our video library