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

Author Question: A random sample of 53 observations was taken. The average in the sample was 90 with a variance of ... (Read 46 times)

acwiles

  • Full Member
  • ***
  • Posts: 152
on: Mar 25, 2023

A random sample of 53 observations was taken. The average in the sample was 90 with a variance of 400.

a.Construct a 98% confidence interval for μ.
b.Construct a 99% confidence interval for μ.
c.Discuss why the 98% and 99% confidence intervals are different.
d.What would you expect to happen to the confidence interval in Part a if the sample size was increased? Be sure to explain your answer.

Essentials of Statistics for Business and Economics ¦ Anderson, Sweeney, Williams, Camm, Cochran ¦ 7th Edition
Buy Test-Bank


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by acwiles on Mar 25, 2023

gyvette

  • Full Member
  • ***
  • Posts: 196
Reply #1 on: Mar 25, 2023
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


acwiles

  • Member
  • Posts: 152
Reply 2 on: Mar 25, 2023
Wow, this really help

Liddy

  • Member
  • Posts: 342
Reply 3 on: Yesterday
Excellent

« previous next »
 

Did you know?

Though the United States has largely rejected the metric system, it is used for currency, as in 100 pennies = 1 dollar. Previously, the British currency system was used, with measurements such as 12 pence to the shilling, and 20 shillings to the pound.

Did you know?

Although the Roman numeral for the number 4 has always been taught to have been "IV," according to historians, the ancient Romans probably used "IIII" most of the time. This is partially backed up by the fact that early grandfather clocks displayed IIII for the number 4 instead of IV. Early clockmakers apparently thought that the IIII balanced out the VIII (used for the number 8) on the clock face and that it just looked better.

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?

Nitroglycerin is used to alleviate various heart-related conditions, and it is also the chief component of dynamite (but mixed in a solid clay base to stabilize it).

Did you know?

Sildenafil (Viagra®) has two actions that may be of consequence in patients with heart disease. It can lower the blood pressure, and it can interact with nitrates. It should never be used in patients who are taking nitrates.

Random, regular, and clumped distributions. Random, regular, and clumped distributions.
Sample communication analysis Sample communication analysis
Sample Workout in the Target Heart Rate Range Sample Workout in the Target Heart Rate Range
Sample inventory order form. Sample inventory order form.
Sample prescriptions of drugs for oral herpes infection. Sample prescriptions of drugs for oral herpes infection.
The average percentages by polygraph exams The average percentages by polygraph exams
Video: Glycolysis Animation

For a complete list of videos, visit our video library