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 30 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
:D TYSM


ktidd

  • Member
  • Posts: 319
Reply 3 on: Yesterday
Great answer, keep it coming :)

 

Did you know?

Eating food that has been cooked with poppy seeds may cause you to fail a drug screening test, because the seeds contain enough opiate alkaloids to register as a positive.

Did you know?

Astigmatism is the most common vision problem. It may accompany nearsightedness or farsightedness. It is usually caused by an irregularly shaped cornea, but sometimes it is the result of an irregularly shaped lens. Either type can be corrected by eyeglasses, contact lenses, or refractive surgery.

Did you know?

The heart is located in the center of the chest, with part of it tipped slightly so that it taps against the left side of the chest.

Did you know?

The first-known contraceptive was crocodile dung, used in Egypt in 2000 BC. Condoms were also reportedly used, made of animal bladders or intestines.

Did you know?

People who have myopia, or nearsightedness, are not able to see objects at a distance but only up close. It occurs when the cornea is either curved too steeply, the eye is too long, or both. This condition is progressive and worsens with time. More than 100 million people in the United States are nearsighted, but only 20% of those are born with the condition. Diet, eye exercise, drug therapy, and corrective lenses can all help manage nearsightedness.

For a complete list of videos, visit our video library