This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: If the random variable X is exponentially distributed, then the mean of X will be: a. greater than ... (Read 143 times)

lb_gilbert

  • Hero Member
  • *****
  • Posts: 588
on: Jun 24, 2018
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
Reply #1 on: Jun 24, 2018
Answer to Question 1

A

Answer to Question 2

D


lb_gilbert

  • Hero Member
  • *****
  • Posts: 588
Reply #2 on: Jun 24, 2018
Thank you :)


CAPTAINAMERICA

  • Sr. Member
  • ****
  • Posts: 325
Reply #3 on: Jun 24, 2018
Happy to help you


« previous next »
 

Did you know?

The human body produces and destroys 15 million blood cells every second.

Did you know?

The term bacteria was devised in the 19th century by German biologist Ferdinand Cohn. He based it on the Greek word "bakterion" meaning a small rod or staff. Cohn is considered to be the father of modern bacteriology.

Did you know?

Immunoglobulin injections may give short-term protection against, or reduce severity of certain diseases. They help people who have an inherited problem making their own antibodies, or those who are having certain types of cancer treatments.

Did you know?

The highest suicide rate in the United States is among people ages 65 years and older. Almost 15% of people in this age group commit suicide every year.

Did you know?

The familiar sounds of your heart are made by the heart's valves as they open and close.

Random X-chromosome inactivation in a calico cat. Random X-chromosome inactivation in a calico cat.
Controlled Experiments Manipulate a Variable Controlled Experiments Manipulate a Variable
First-pass effect: (a) drugs are absorbed; (b) drugs enter hepatic portal circulation and go directl First-pass effect: (a) drugs are absorbed; (b) drugs enter hepatic portal circulation and go directl
Airflow through the large diameter upper intake manifold is distributed to smaller diameter ... Airflow through the large diameter upper intake manifold is distributed to smaller diameter ...
The more air and fuel that can be packed in a cylinder, the greater the density of the air–fuel ... The more air and fuel that can be packed in a cylinder, the greater the density of the air–fuel ...
Variable Gases of the Atmosphere Variable Gases of the Atmosphere
Video: Hemoglobin's affinity with oxygen - carbon dioxide, temperature and bisphosphoglycerate (BPG)

For a complete list of videos, visit our video library