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 115 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
Thanks for the timely response, appreciate it

Laurenleakan

  • Member
  • Posts: 309
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

Did you know?

After a vasectomy, it takes about 12 ejaculations to clear out sperm that were already beyond the blocked area.

Did you know?

The senior population grows every year. Seniors older than 65 years of age now comprise more than 13% of the total population. However, women outlive men. In the 85-and-over age group, there are only 45 men to every 100 women.

Did you know?

Cyanide works by making the human body unable to use oxygen.

Did you know?

Famous people who died from poisoning or drug overdose include, Adolf Hitler, Socrates, Juan Ponce de Leon, Marilyn Monroe, Judy Garland, and John Belushi.

Did you know?

The Centers for Disease Control and Prevention (CDC) was originally known as the Communicable Disease Center, which was formed to fight malaria. It was originally headquartered in Atlanta, Georgia, since the Southern states faced the worst threat from malaria.

The procedure for making a karyotype. The procedure for making a karyotype.
Urinary catheterization. The procedure involves the insertion of a flexible tube, or catheter, throu Urinary catheterization. The procedure involves the insertion of a flexible tube, or catheter, throu
Phlebotomy. In this common procedure, a syringe needle punctures a vein, usually in the arm, and wit Phlebotomy. In this common procedure, a syringe needle punctures a vein, usually in the arm, and wit
The IAT procedure The IAT procedure
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
Phenotype proportions in the progeny of a dihybrid cross performed by Mendel Phenotype proportions in the progeny of a dihybrid cross performed by Mendel
Video: Inflammation Animation

For a complete list of videos, visit our video library