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 107 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
Gracias!

yeungji

  • Member
  • Posts: 319
Reply 3 on: Yesterday
Excellent

« previous next »
 

Did you know?

There are more sensory neurons in the tongue than in any other part of the body.

Did you know?

In 1844, Charles Goodyear obtained the first patent for a rubber condom.

Did you know?

The modern decimal position system was the invention of the Hindus (around 800 AD), involving the placing of numerals to indicate their value (units, tens, hundreds, and so on).

Did you know?

The most dangerous mercury compound, dimethyl mercury, is so toxic that even a few microliters spilled on the skin can cause death. Mercury has been shown to accumulate in higher amounts in the following types of fish than other types: swordfish, shark, mackerel, tilefish, crab, and tuna.

Did you know?

The term bacteria was devised in the 19th century by German biologist Ferdinand Cohn. He based it on the Greek word "bakterion" meaning a small rod or staff. Cohn is considered to be the father of modern bacteriology.

Urinometer. In this procedure, a urine sample and urinometer are placed within a tube, and the liqui Urinometer. In this procedure, a urine sample and urinometer are placed within a tube, and the liqui
Cataract extraction. The procedure involves a surgical removal of a cataract lens and its replacemen Cataract extraction. The procedure involves a surgical removal of a cataract lens and its replacemen
The Learned Helplessness Procedure The Learned Helplessness Procedure
How many pounds of yeast must the manufacturer start with to obtain 550 lb at the end of 12 h? How many pounds of yeast must the manufacturer start with to obtain 550 lb at the end of 12 h?
Sketch a graph of the function h(x), by hand on the following interval: Sketch a graph of the function h(x), by hand on the following interval:
calculate the quantities required to make 5 lb of hydrophilic ointment: calculate the quantities required to make 5 lb of hydrophilic ointment:
Video: Congenital Heart Defects Animation

For a complete list of videos, visit our video library