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

Author Question: Which is true about a 98% confidence interval for a population proportion based on a given sample?I. ... (Read 224 times)

mckennatimberlake

  • Hero Member
  • *****
  • Posts: 559
on: Aug 30, 2019

Question 1

We have calculated a 95% confidence interval and would prefer for our next confidence interval to have a smaller margin of error without losing any confidence. In order to do this, we can
I.   change the z* value to a smaller number.
II.  take a larger sample.
III. take a smaller sample.
◦ I only
◦ II only
◦ III only
◦ I and III
◦ I and II

Question 2

Which is true about a 98% confidence interval for a population proportion based on a given sample?
I.   We are 98% confident that other sample proportions will be in our interval.
II.  There is a 98% chance that our interval contains the population proportion.
III. The interval is wider than a 95% confidence interval would be.
◦ I only
◦ I and II
◦ III only
◦ II only
◦ None
Stats: Modeling the World ¦ Bock, Velleman, De Veaux ¦ 4th Edition
Buy Test-Bank


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by mckennatimberlake on Aug 30, 2019

emily12345

  • Sr. Member
  • ****
  • Posts: 321
Reply #1 on: Aug 30, 2019
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 39% of students answer this correctly


mckennatimberlake

  • Member
  • Posts: 559
Reply 2 on: Aug 30, 2019
Excellent

Zebsrer

  • Member
  • Posts: 284
Reply 3 on: Yesterday
:D TYSM

« previous next »
 

Did you know?

In the ancient and medieval periods, dysentery killed about ? of all babies before they reach 12 months of age. The disease was transferred through contaminated drinking water, because there was no way to adequately dispose of sewage, which contaminated the water.

Did you know?

The word drug comes from the Dutch word droog (meaning "dry"). For centuries, most drugs came from dried plants, hence the name.

Did you know?

People with alcoholism are at a much greater risk of malnutrition than are other people and usually exhibit low levels of most vitamins (especially folic acid). This is because alcohol often takes the place of 50% of their daily intake of calories, with little nutritional value contained in it.

Did you know?

Multiple sclerosis is a condition wherein the body's nervous system is weakened by an autoimmune reaction that attacks the myelin sheaths of neurons.

Did you know?

Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.

Prevention programs for school based violence Prevention programs for school based violence
Projections of the Racial-Ethnic Makeup of the U.S. Population Projections of the Racial-Ethnic Makeup of the U.S. Population
Proportion of Women and Men in the U.S. Labor Force Proportion of Women and Men in the U.S. Labor Force
Prevalence of drug use in the United States. Figures are based on a survey of people 12 years of age ... Prevalence of drug use in the United States. Figures are based on a survey of people 12 years of age ...
Sample prescriptions of antibiotics for dental infections. Sample prescriptions of antibiotics for dental infections.
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:
Video: Immune responses Animation

For a complete list of videos, visit our video library