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

Author Question: The distribution of annual incomes of a sample of college graduates is normally distributed with a ... (Read 124 times)

2125004343

  • Hero Member
  • *****
  • Posts: 566
on: Jun 24, 2018
The distribution of annual incomes of a sample of college graduates is normally distributed with a mean of 52,000 and a standard deviation of 1,000. About 68 percent of the incomes lie between what two income levels?
 
  A) 52,000 and 62,000
  B) 50,000 and 60,000
  C) 51,000 and 53,000
  D) 53,000 and 57,000

Question 2

Calculate the margin of error of the 99 confidence interval.
 
  A) 1.85
  B) 3.60
  C) 6.41
  D) 10.56


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

covalentbond

  • Sr. Member
  • ****
  • Posts: 336
Reply #1 on: Jun 24, 2018
Answer to Question 1

C

Answer to Question 2

C


2125004343

  • Hero Member
  • *****
  • Posts: 566
Reply #2 on: Jun 24, 2018
Thank you


covalentbond

  • Sr. Member
  • ****
  • Posts: 336
Reply #3 on: Jun 24, 2018
No problemo


« previous next »
 

Did you know?

Pubic lice (crabs) are usually spread through sexual contact. You cannot catch them by using a public toilet.

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?

To combat osteoporosis, changes in lifestyle and diet are recommended. At-risk patients should include 1,200 to 1,500 mg of calcium daily either via dietary means or with supplements.

Did you know?

According to research, pregnant women tend to eat more if carrying a baby boy. Male fetuses may secrete a chemical that stimulates their mothers to step up her energy intake.

Did you know?

Adolescents often feel clumsy during puberty because during this time of development, their hands and feet grow faster than their arms and legs do. The body is therefore out of proportion. One out of five adolescents actually experiences growing pains during this period.

Ebola Virus Geographic Distribution Ebola Virus Geographic Distribution
Self-Esteem in a Longitudinal Sample Self-Esteem in a Longitudinal Sample
Sample of an insurance card. Sample of an insurance card.
Distribution of the Income of Americans Distribution of the Income of Americans
Sample prescription for chlorhexidine. Sample prescription for chlorhexidine.
A sample of work by a Grade 4 student with a specific learning disorder A sample of work by a Grade 4 student with a specific learning disorder
Video: Deafness Culture

For a complete list of videos, visit our video library