Author Question: If the parameter of an exponential distribution is 1, then which of the following is true? a. The ... (Read 133 times)

futuristic

  • Hero Member
  • *****
  • Posts: 638
If the parameter of an exponential distribution is 1, then which of the following is true?
 a. The density function is e-x for x  0.
  b. The mean is equal to 1.
  c. The standard deviation and variance are both equal to 1.
  d. All of these choices are true.

Question 2

If the mean of an exponential distribution is 2, then the value of the parameter  is
 a. 0
  b. 2.0
  c. 0.5
  d. 1.0



Ddddd

  • Sr. Member
  • ****
  • Posts: 334
Answer to Question 1

D

Answer to Question 2

C



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Cucumber slices relieve headaches by tightening blood vessels, reducing blood flow to the area, and relieving pressure.

Did you know?

GI conditions that will keep you out of the U.S. armed services include ulcers, varices, fistulas, esophagitis, gastritis, congenital abnormalities, inflammatory bowel disease, enteritis, colitis, proctitis, duodenal diverticula, malabsorption syndromes, hepatitis, cirrhosis, cysts, abscesses, pancreatitis, polyps, certain hemorrhoids, splenomegaly, hernias, recent abdominal surgery, GI bypass or stomach stapling, and artificial GI openings.

Did you know?

More than 30% of American adults, and about 12% of children utilize health care approaches that were developed outside of conventional medicine.

Did you know?

The people with the highest levels of LDL are Mexican American males and non-Hispanic black females.

Did you know?

The oldest recorded age was 122. Madame Jeanne Calment was born in France in 1875 and died in 1997. She was a vegetarian and loved olive oil, port wine, and chocolate.

For a complete list of videos, visit our video library