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 204 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

carlsona147

  • Member
  • Posts: 341
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

« previous next »
 

Did you know?

Between 1999 and 2012, American adults with high total cholesterol decreased from 18.3% to 12.9%

Did you know?

ACTH levels are normally highest in the early morning (between 6 and 8 A.M.) and lowest in the evening (between 6 and 11 P.M.). Therefore, a doctor who suspects abnormal levels looks for low ACTH in the morning and high ACTH in the evening.

Did you know?

Critical care patients are twice as likely to receive the wrong medication. Of these errors, 20% are life-threatening, and 42% require additional life-sustaining treatments.

Did you know?

The largest baby ever born weighed more than 23 pounds but died just 11 hours after his birth in 1879. The largest surviving baby was born in October 2009 in Sumatra, Indonesia, and weighed an astounding 19.2 pounds at birth.

Did you know?

Nearly 31 million adults in America have a total cholesterol level that is more than 240 mg per dL.

Sample communication analysis Sample communication analysis
An aryballe vase or decanter made for carrying body oils clearly demonstrates that ancient Greeks we An aryballe vase or decanter made for carrying body oils clearly demonstrates that ancient Greeks we
The Inverted Income Pyramid: The Proportion of Income Received by Each Fifth of the U.S. Population The Inverted Income Pyramid: The Proportion of Income Received by Each Fifth of the U.S. Population
Sample prescriptions of antibiotics for dental infections. Sample prescriptions of antibiotics for dental infections.
A 2.000 g sample of water contains 11.19% H by mass and 88.81% O by mass. What mass of H will ... A 2.000 g sample of water contains 11.19% H by mass and 88.81% O by mass. What mass of H will ...
What is the estimated age of the archaeological sample What is the estimated age of the archaeological sample
Video: Kidney Stones

For a complete list of videos, visit our video library