« previous next »

Author Question: For a random variable X, if V(cX) = 4V(X), where V refers to the variance, then c must be 2. ... (Read 68 times)

Arii_bell

  • Hero Member
  • *****
  • Posts: 596
on: Jun 24, 2018
For a random variable X, if V(cX) = 4V(X), where V refers to the variance, then c must be 2.
  Indicate whether the statement is true or false

Question 2

Faculty rank (professor, associate professor, assistant professor, and lecturer) is an example of a discrete random variable.
  Indicate whether the statement is true or false


annierak

  • Sr. Member
  • ****
  • Posts: 340
Reply #1 on: Jun 24, 2018
Answer to Question 1

T

Answer to Question 2

F


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Glaucoma is a leading cause of blindness. As of yet, there is no cure. Everyone is at risk, and there may be no warning signs. It is six to eight times more common in African Americans than in whites. The best and most effective way to detect glaucoma is to receive a dilated eye examination.

Did you know?

Medication errors are more common among seriously ill patients than with those with minor conditions.

Did you know?

When blood is deoxygenated and flowing back to the heart through the veins, it is dark reddish-blue in color. Blood in the arteries that is oxygenated and flowing out to the body is bright red. Whereas arterial blood comes out in spurts, venous blood flows.

Did you know?

Drying your hands with a paper towel will reduce the bacterial count on your hands by 45–60%.

Did you know?

Allergies play a major part in the health of children. The most prevalent childhood allergies are milk, egg, soy, wheat, peanuts, tree nuts, and seafood.

The asymmetrical appearance of Mira, an oscillating variable star. The asymmetrical appearance of Mira, an oscillating variable star.
Random doodling Random doodling
Schematic representations of (a) random, (b) alternating, (c) block, and (d) graft copolymers. Schematic representations of (a) random, (b) alternating, (c) block, and (d) graft copolymers.
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
Identify the variable representing each described quantity in the equation Identify the variable representing each described quantity in the equation
Separation of variable number tandem repeat (VNTR) alleles after PCR amplification Separation of variable number tandem repeat (VNTR) alleles after PCR amplification
Video: Bulk flow - factors that influence bulk flow

For a complete list of videos, visit our video library