Author Question: If a payout is certain to occur, then the variance of that payout equals A) zero. B) one. C) ... (Read 46 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?

About 100 new prescription or over-the-counter drugs come into the U.S. market every year.

Did you know?

The longest a person has survived after a heart transplant is 24 years.

Did you know?

Chronic necrotizing aspergillosis has a slowly progressive process that, unlike invasive aspergillosis, does not spread to other organ systems or the blood vessels. It most often affects middle-aged and elderly individuals, spreading to surrounding tissue in the lungs. The disease often does not respond to conventionally successful treatments, and requires individualized therapies in order to keep it from becoming life-threatening.

Did you know?

Fatal fungal infections may be able to resist newer antifungal drugs. Globally, fungal infections are often fatal due to the lack of access to multiple antifungals, which may be required to be utilized in combination. Single antifungals may not be enough to stop a fungal infection from causing the death of a patient.

Did you know?

The modern decimal position system was the invention of the Hindus (around 800 AD), involving the placing of numerals to indicate their value (units, tens, hundreds, and so on).

For a complete list of videos, visit our video library