This topic contains a solution. Click here to go to the answer

Author Question: If the random variable X is exponentially distributed, then the mean of X will be: a. greater than ... (Read 142 times)

lb_gilbert

  • Hero Member
  • *****
  • Posts: 588
If the random variable X is exponentially distributed, then the mean of X will be:
 a. greater than the median.
  b. less than the median.
  c. equal to the median.
  d. Cannot tell; the answer depends on what  is.

Question 2

The exponential density function f(x):
 a. is bell-shaped.
  b. is symmetrical.
  c. approaches infinity as x approaches zero.
  d. approaches zero as x approaches infinity.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

CAPTAINAMERICA

  • Sr. Member
  • ****
  • Posts: 325
Answer to Question 1

A

Answer to Question 2

D





 

Did you know?

The term pharmacology is derived from the Greek words pharmakon("claim, medicine, poison, or remedy") and logos ("study").

Did you know?

Looking at the sun may not only cause headache and distort your vision temporarily, but it can also cause permanent eye damage. Any exposure to sunlight adds to the cumulative effects of ultraviolet (UV) radiation on your eyes. UV exposure has been linked to eye disorders such as macular degeneration, solar retinitis, and corneal dystrophies.

Did you know?

Amoebae are the simplest type of protozoans, and are characterized by a feeding and dividing trophozoite stage that moves by temporary extensions called pseudopodia or false feet.

Did you know?

In the United States, congenital cytomegalovirus causes one child to become disabled almost every hour. CMV is the leading preventable viral cause of development disability in newborns. These disabilities include hearing or vision loss, and cerebral palsy.

Did you know?

Though “Krazy Glue” or “Super Glue” has the ability to seal small wounds, it is not recommended for this purpose since it contains many substances that should not enter the body through the skin, and may be harmful.

For a complete list of videos, visit our video library