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

Author Question: Exhibit 8-4In order to estimate the average electric usage per month, a sample of 81 houses was ... (Read 10 times)

mccallkeeler

  • Full Member
  • ***
  • Posts: 149

Exhibit 8-4
In order to estimate the average electric usage per month, a sample of 81 houses was selected, and the electric usage was determined.  Assume a population standard deviation of 450-kilowatt hours.


Refer to Exhibit 8-4.  If the sample mean is 1,858 KWH, the 95% confidence interval estimate of the population mean is


1,760 to 1,956 KWH


1,858 to 1,956 KWH


1,760 to 1,858 KWH


none of these alternatives is correct



Related Topics

Need homework help now?

Ask unlimited questions for free

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

kuttz

  • Full Member
  • ***
  • Posts: 168
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




mccallkeeler

  • Member
  • Posts: 149
Reply 2 on: Mar 25, 2023
Excellent


tuate

  • Member
  • Posts: 332
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

 

Did you know?

Asthma cases in Americans are about 75% higher today than they were in 1980.

Did you know?

Human neurons are so small that they require a microscope in order to be seen. However, some neurons can be up to 3 feet long, such as those that extend from the spinal cord to the toes.

Did you know?

According to the Migraine Research Foundation, migraines are the third most prevalent illness in the world. Women are most affected (18%), followed by children of both sexes (10%), and men (6%).

Did you know?

There used to be a metric calendar, as well as metric clocks. The metric calendar, or "French Republican Calendar" divided the year into 12 months, but each month was divided into three 10-day weeks. Each day had 10 decimal hours. Each hour had 100 decimal minutes. Due to lack of popularity, the metric clocks and calendars were ended in 1795, three years after they had been first marketed.

Did you know?

Allergies play a major part in the health of children. The most prevalent childhood allergies are milk, egg, soy, wheat, peanuts, tree nuts, and seafood.

For a complete list of videos, visit our video library