« previous next »

Author Question: Given that X is a discrete random variable, then the laws of expected value and variance can be ... (Read 51 times)

dakota nelson

  • Hero Member
  • *****
  • Posts: 604
on: Aug 1, 2018
Given that X is a discrete random variable, then the laws of expected value and variance can be applied to show that E(X + 5) = E(X) + 5, and V(X + 5) = V(X) + 25.
  Indicate whether the statement is true or false

Question 2

A sampling distribution is defined as the probability distribution of means from all possible sample sizes that are taken from a given population.
  Indicate whether the statement is true or false


JCABRERA33

  • Sr. Member
  • ****
  • Posts: 344
Reply #1 on: Aug 1, 2018
Answer to Question 1

F

Answer to Question 2

F


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Certain chemicals, after ingestion, can be converted by the body into cyanide. Most of these chemicals have been removed from the market, but some old nail polish remover, solvents, and plastics manufacturing solutions can contain these substances.

Did you know?

Despite claims by manufacturers, the supplement known as Ginkgo biloba was shown in a study of more than 3,000 participants to be ineffective in reducing development of dementia and Alzheimer’s disease in older people.

Did you know?

The human body's pharmacokinetics are quite varied. Our hair holds onto drugs longer than our urine, blood, or saliva. For example, alcohol can be detected in the hair for up to 90 days after it was consumed. The same is true for marijuana, cocaine, ecstasy, heroin, methamphetamine, and nicotine.

Did you know?

Children with strabismus (crossed eyes) can be treated. They are not able to outgrow this condition on their own, but with help, it can be more easily corrected at a younger age. It is important for infants to have eye examinations as early as possible in their development and then another at age 2 years.

Did you know?

Women are 50% to 75% more likely than men to experience an adverse drug reaction.

Random X-chromosome inactivation in a calico cat. Random X-chromosome inactivation in a calico cat.
Random, regular, and clumped distributions. Random, regular, and clumped distributions.
Refraction Through Uniform and Variable Thickness Glasses Refraction Through Uniform and Variable Thickness Glasses
The schematic of a variable valve timing control circuit, showing that battery power (+) is being ... The schematic of a variable valve timing control circuit, showing that battery power (+) is being ...
How to rearrange formulas to isolate for a variable How to rearrange formulas to isolate for a variable
Distributions and variance Distributions and variance
Video: Digestion Animation

For a complete list of videos, visit our video library