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 53 times)

Mscarter

  • Full Member
  • ***
  • Posts: 159

Question 1

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.  The standard error of the mean is


450


81


500


50



Question 2

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.  At 95% confidence, the size of the margin of error is


1.96


50


98


42



Related Topics

Need homework help now?

Ask unlimited questions for free

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

kaelamcrone

  • Full Member
  • ***
  • Posts: 167
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




Mscarter

  • Member
  • Posts: 159
Reply 2 on: Mar 25, 2023
Great answer, keep it coming :)


at

  • Member
  • Posts: 359
Reply 3 on: Yesterday
Gracias!

 

Did you know?

Acetaminophen (Tylenol) in overdose can seriously damage the liver. It should never be taken by people who use alcohol heavily; it can result in severe liver damage and even a condition requiring a liver transplant.

Did you know?

In ancient Rome, many of the richer people in the population had lead-induced gout. The reason for this is unclear. Lead poisoning has also been linked to madness.

Did you know?

More than nineteen million Americans carry the factor V gene that causes blood clots, pulmonary embolism, and heart disease.

Did you know?

Pope Sylvester II tried to introduce Arabic numbers into Europe between the years 999 and 1003, but their use did not catch on for a few more centuries, and Roman numerals continued to be the primary number system.

Did you know?

Opium has influenced much of the world's most popular literature. The following authors were all opium users, of varying degrees: Lewis Carroll, Charles, Dickens, Arthur Conan Doyle, and Oscar Wilde.

For a complete list of videos, visit our video library