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

Author Question: The standard deviation of a normal distribution a. is always 0. b. is always 1. c. can be any ... (Read 21 times)

tichca

  • Hero Member
  • *****
  • Posts: 554
The standard deviation of a normal distribution
 a. is always 0.
  b. is always 1.
  c. can be any value.
  d. cannot be negative.

Question 2

The expected value of a random variable is
 a. the value of the random variable that should be observed on the next repeat of the experiment
  b. the value of the random variable that occurs most frequently
  c. the square root of the variance
  d. 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 a Subject Expert

kingdude89

  • Sr. Member
  • ****
  • Posts: 336
Answer to Question 1

d

Answer to Question 2

d




tichca

  • Member
  • Posts: 554
Reply 2 on: Aug 1, 2018
Excellent


essyface1

  • Member
  • Posts: 347
Reply 3 on: Yesterday
Great answer, keep it coming :)

 

Did you know?

The average older adult in the United States takes five prescription drugs per day. Half of these drugs contain a sedative. Alcohol should therefore be avoided by most senior citizens because of the dangerous interactions between alcohol and sedatives.

Did you know?

Cocaine was isolated in 1860 and first used as a local anesthetic in 1884. Its first clinical use was by Sigmund Freud to wean a patient from morphine addiction. The fictional character Sherlock Holmes was supposed to be addicted to cocaine by injection.

Did you know?

Calcitonin is a naturally occurring hormone. In women who are at least 5 years beyond menopause, it slows bone loss and increases spinal bone density.

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?

Pink eye is a term that refers to conjunctivitis, which is inflammation of the thin, clear membrane (conjunctiva) over the white part of the eye (sclera). It may be triggered by a virus, bacteria, or foreign body in the eye. Antibiotic eye drops alleviate bacterial conjunctivitis, and antihistamine allergy pills or eye drops help control allergic conjunctivitis symptoms.

For a complete list of videos, visit our video library