Author Question: A probability density function a. gives the probability that the random variable equals a specific ... (Read 136 times)

jon_i

  • Hero Member
  • *****
  • Posts: 549
A probability density function
 a. gives the probability that the random variable equals a specific value of x.
  b. is used for discrete random variables.
  c. describes the graph whose underlying area represents probability over an interval.
  d. each of these choices are true.

Question 2

In regression analysis if the dependent variable is measured in dollars, the independent variable
 a. must also be in dollars
  b. must be in some units of currency
  c. can be any units
  d. cannot be in dollars



jaygar71

  • Sr. Member
  • ****
  • Posts: 323
Answer to Question 1

c

Answer to Question 2

C



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Atropine was named after the Greek goddess Atropos, the oldest and ugliest of the three sisters known as the Fates, who controlled the destiny of men.

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?

Critical care patients are twice as likely to receive the wrong medication. Of these errors, 20% are life-threatening, and 42% require additional life-sustaining treatments.

Did you know?

Chronic marijuana use can damage the white blood cells and reduce the immune system's ability to respond to disease by as much as 40%. Without a strong immune system, the body is vulnerable to all kinds of degenerative and infectious diseases.

Did you know?

There are actually 60 minerals, 16 vitamins, 12 essential amino acids, and three essential fatty acids that your body needs every day.

For a complete list of videos, visit our video library