This topic contains a solution. Click here to go to the answer

Author Question: A population proportion is to be estimated from the sample described. Approximate the 95% confidence ... (Read 168 times)

asmith134

  • Hero Member
  • *****
  • Posts: 576

Question 1

A population proportion is to be estimated from the sample described. Approximate the 95% confidence interval. Round your answer to four decimal places, if necessary.

A poll of 1300 voters in one district showed that 55% of them would favor stricter gun control laws. Find the 95% confidence interval for the population proportion favoring stricter gun control laws.
◦ 0.5492 < p < 0.5508
◦ 0.5224 < p < 0.5776
◦ 0.5223 < p < 0.5777
◦ 0.5305 < p < 0.5695

Question 2

A population proportion is to be estimated from the sample described. Approximate the 95% confidence interval. Round your answer to four decimal places, if necessary.

A medical researcher wishes to estimate what proportion of babies  born at a particular hospital are born by Caesarean section. In a random sample of 144 births at the hospital, 29% were Caesarean sections.  Find the  95% confidence interval for the population proportion.
◦ 0.2144  <  p  <  0.3656
◦ 0.2365  <  p  <  0.3435
◦ 0.2067  <  p  <  0.3733
◦ 0.2837  <  p  <  0.2963


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by asmith134 on Jan 18, 2020

Dinolord

  • Sr. Member
  • ****
  • Posts: 313
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 25% of students answer this correctly




asmith134

  • Member
  • Posts: 576
Reply 2 on: Jan 18, 2020
:D TYSM


Dnite

  • Member
  • Posts: 297
Reply 3 on: Yesterday
Excellent

 

Did you know?

By definition, when a medication is administered intravenously, its bioavailability is 100%.

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?

During the twentieth century, a variant of the metric system was used in Russia and France in which the base unit of mass was the tonne. Instead of kilograms, this system used millitonnes (mt).

Did you know?

A strange skin disease referred to as Morgellons has occurred in the southern United States and in California. Symptoms include slowly healing sores, joint pain, persistent fatigue, and a sensation of things crawling through the skin. Another symptom is strange-looking, threadlike extrusions coming out of the skin.

Did you know?

Tobacco depletes the body of vitamins A, C, and E, which can result in any of the following: dry hair, dry skin, dry eyes, poor growth, night blindness, abscesses, insomnia, fatigue, reproductive system problems, sinusitis, pneumonia, frequent respiratory problems, skin disorders, weight loss, rickets, osteomalacia, nervousness, muscle spasms, leg cramps, extremity numbness, bone malformations, decayed teeth, difficulty in walking, irritability, restlessness, profuse sweating, increased uric acid (gout), joint damage, damaged red blood cells, destruction of nerves, infertility, miscarriage, and many types of cancer.

For a complete list of videos, visit our video library