Author Question: If X and Y are independent variables with V(X) = 23.48 and V(Y) = 36.52, then the standard deviation ... (Read 67 times)

EAugust

  • Hero Member
  • *****
  • Posts: 550
If X and Y are independent variables with V(X) = 23.48 and V(Y) = 36.52, then the standard deviation of W = X + Y is w = 7.746.
  Indicate whether the statement is true or false

Question 2

Bivariate distributions provide probabilities of combinations of two variables.
  Indicate whether the statement is true or false



zoeyesther

  • Sr. Member
  • ****
  • Posts: 315
Answer to Question 1

T

Answer to Question 2

T



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

According to the FDA, adverse drug events harmed or killed approximately 1,200,000 people in the United States in the year 2015.

Did you know?

In the United States, there is a birth every 8 seconds, according to the U.S. Census Bureau's Population Clock.

Did you know?

Fungal nail infections account for up to 30% of all skin infections. They affect 5% of the general population—mostly people over the age of 70.

Did you know?

Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.

Did you know?

Acetaminophen (Tylenol) in overdose can seriously damage the liver. It should never be taken by people who use alcohol heavily; it can result in severe liver damage and even a condition requiring a liver transplant.

For a complete list of videos, visit our video library