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

Author Question: Exhibit 8-2A random sample of 121 automobiles traveling on an interstate showed an average speed of ... (Read 166 times)

stananza

  • Full Member
  • ***
  • Posts: 162
on: Mar 25, 2023

Question 1

Exhibit 8-2
A random sample of 121 automobiles traveling on an interstate showed an average speed of 65 mph. From past information, it is known that the standard deviation of the population is 22 mph.


Refer to Exhibit 8-2. The standard error of the mean is


◦

22.00


◦

96.60


◦

4.24


◦

2.00



Question 2

Exhibit 8-2
A random sample of 121 automobiles traveling on an interstate showed an average speed of 65 mph. From past information, it is known that the standard deviation of the population is 22 mph.


Refer to Exhibit 8-2. If the confidence coefficient is reduced to 0.9, the standard error of the mean


◦

will increase


◦

will decrease


◦

remains unchanged


◦

becomes negative

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 stananza on Mar 25, 2023

Yermi196

  • Full Member
  • ***
  • Posts: 135
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 42% of students answer this correctly


stananza

  • Member
  • Posts: 162
Reply 2 on: Mar 25, 2023
Gracias!

amynguyen1221

  • Member
  • Posts: 355
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

« previous next »
 

Did you know?

In 2006, a generic antinausea drug named ondansetron was approved. It is used to stop nausea and vomiting associated with surgery, chemotherapy, and radiation therapy.

Did you know?

Malaria was not eliminated in the United States until 1951. The term eliminated means that no new cases arise in a country for 3 years.

Did you know?

In 1885, the Lloyd Manufacturing Company of Albany, New York, promoted and sold "Cocaine Toothache Drops" at 15 cents per bottle! In 1914, the Harrison Narcotic Act brought the sale and distribution of this drug under federal control.

Did you know?

Most fungi that pathogenically affect humans live in soil. If a person is not healthy, has an open wound, or is immunocompromised, a fungal infection can be very aggressive.

Did you know?

As of mid-2016, 18.2 million people were receiving advanced retroviral therapy (ART) worldwide. This represents between 43–50% of the 34–39.8 million people living with HIV.

Sample Student Externship Form Sample Student Externship Form
Find the speed after 40.0 min if the initial speed is 3250 rev/min Find the speed after 40.0 min if the initial speed is 3250 rev/min
Sample of résumé content. Sample of résumé content.
Sample of a business card design. Sample of a business card design.
Determine the mass percent of Fe3+ in a 0.546g sample of iron ore, if 22.40 mL of a 0.1000 M ... Determine the mass percent of Fe3+ in a 0.546g sample of iron ore, if 22.40 mL of a 0.1000 M ...
Sample Size Affects Sampling Error Sample Size Affects Sampling Error
Video: Lower Limb Arteries Animation

For a complete list of videos, visit our video library