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

Author Question: For a random variable X, V(X + 3) = V(X + 6), where V refers to the variance. Indicate whether the ... (Read 81 times)

maegan_martin

  • Hero Member
  • *****
  • Posts: 532
on: Jun 24, 2018
For a random variable X, V(X + 3) = V(X + 6), where V refers to the variance.
  Indicate whether the statement is true or false

Question 2

For a random variable X, E(X + 2) - 5 = E(X) - 3, where E refers to the expected value.
  Indicate whether the statement is true or false


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

kxciann

  • Sr. Member
  • ****
  • Posts: 356
Reply #1 on: Jun 24, 2018
Answer to Question 1

T

Answer to Question 2

T


maegan_martin

  • Hero Member
  • *****
  • Posts: 532
Reply #2 on: Jun 24, 2018
Thank you :)


kxciann

  • Sr. Member
  • ****
  • Posts: 356
Reply #3 on: Jun 24, 2018
Happy to help you


« previous next »
 

Did you know?

Drug abusers experience the following scenario: The pleasure given by their drug (or drugs) of choice is so strong that it is difficult to eradicate even after years of staying away from the substances involved. Certain triggers may cause a drug abuser to relapse. Research shows that long-term drug abuse results in significant changes in brain function that persist long after an individual stops using drugs. It is most important to realize that the same is true of not just illegal substances but alcohol and tobacco as well.

Did you know?

Over time, chronic hepatitis B virus and hepatitis C virus infections can progress to advanced liver disease, liver failure, and hepatocellular carcinoma. Unlike other forms, more than 80% of hepatitis C infections become chronic and lead to liver disease. When combined with hepatitis B, hepatitis C now accounts for 75% percent of all cases of liver disease around the world. Liver failure caused by hepatitis C is now leading cause of liver transplants in the United States.

Did you know?

A recent study has found that following a diet rich in berries may slow down the aging process of the brain. This diet apparently helps to keep dopamine levels much higher than are seen in normal individuals who do not eat berries as a regular part of their diet as they enter their later years.

Did you know?

Your chance of developing a kidney stone is 1 in 10. In recent years, approximately 3.7 million people in the United States were diagnosed with a kidney disease.

Did you know?

More than 50% of American adults have oral herpes, which is commonly known as "cold sores" or "fever blisters." The herpes virus can be active on the skin surface without showing any signs or causing any symptoms.

Random X-chromosome inactivation in a calico cat. Random X-chromosome inactivation in a calico cat.
Example of variance documentation Example of variance documentation
How to manually find the mean, variance, and standard deviation for a set of numbers How to manually find the mean, variance, and standard deviation for a set of numbers
Variable penetrance of mitochondrial mutations Variable penetrance of mitochondrial mutations
Sources of phenotypic variance Sources of phenotypic variance
Variable expressivity of Waardenburg syndrome Variable expressivity of Waardenburg syndrome
Video: New DNA Strand Replication

For a complete list of videos, visit our video library