Author Question: If a payout is certain to occur, then the variance of that payout equals A) zero. B) one. C) ... (Read 33 times)

Engineer

  • Hero Member
  • *****
  • Posts: 527
If a payout is certain to occur, then the variance of that payout equals
 
  A) zero.
  B) one.
  C) the expected value.
  D) the expected value squared.

Question 2

Sarah buys little stuffed animals for 5 each. They come in different varieties. If the producer stops making (retires) a certain variety, a stuffed animal of that variety will be worth 100; otherwise it is worth 0. There is 50 chance that any variety will be retired. What is the value to Sarah of knowing ahead of time whether a variety will be retired?
 
  A) 50
  B) 5
  C) 2.50
  D) 0


mistyjohnson

  • Sr. Member
  • ****
  • Posts: 331
Answer to Question 1

A

Answer to Question 2

C



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question


 

Did you know?

Approximately 15–25% of recognized pregnancies end in miscarriage. However, many miscarriages often occur before a woman even knows she is pregnant.

Did you know?

Since 1988, the CDC has reported a 99% reduction in bacterial meningitis caused by Haemophilus influenzae, due to the introduction of the vaccine against it.

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?

Only 12 hours after an egg cell is fertilized by a sperm cell, the egg cell starts to divide. As it continues to divide, it moves along the fallopian tube toward the uterus at about 1 inch per day.

Did you know?

There are approximately 3 million unintended pregnancies in the United States each year.

For a complete list of videos, visit our video library