Author Question: For a random variable X, if V(cX) = 4V(X), where V refers to the variance, then c must be 2. ... (Read 74 times)

Arii_bell

  • Hero Member
  • *****
  • Posts: 596
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
Answer to Question 1

T

Answer to Question 2

F



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

The Centers for Disease Control and Prevention has released reports detailing the deaths of infants (younger than 1 year of age) who died after being given cold and cough medications. This underscores the importance of educating parents that children younger than 2 years of age should never be given over-the-counter cold and cough medications without consulting their physicians.

Did you know?

Interferon was scarce and expensive until 1980, when the interferon gene was inserted into bacteria using recombinant DNA technology, allowing for mass cultivation and purification from bacterial cultures.

Did you know?

In 1886, William Bates reported on the discovery of a substance produced by the adrenal gland that turned out to be epinephrine (adrenaline). In 1904, this drug was first artificially synthesized by Friedrich Stolz.

Did you know?

A good example of polar molecules can be understood when trying to make a cake. If water and oil are required, they will not mix together. If you put them into a measuring cup, the oil will rise to the top while the water remains on the bottom.

Did you know?

It is believed that humans initially contracted crabs from gorillas about 3 million years ago from either sleeping in gorilla nests or eating the apes.

For a complete list of videos, visit our video library