Author Question: For an exponentially distributed random variable x with a mean of 8, the probability of x 8 is .5. ... (Read 68 times)

krzymel

  • Hero Member
  • *****
  • Posts: 548
For an exponentially distributed random variable x with a mean of 8, the probability of x  8 is .5.
 a. True
  b. False
  Indicate whether the statement is true or false

Question 2

If the coefficient of correlation is -0.4, then the slope of the regression line
 a. must also be -0.4
  b. can be either negative or positive
  c. must be negative
  d. must be 0.16



tjayeee

  • Sr. Member
  • ****
  • Posts: 329
Answer to Question 1

FALSE

Answer to Question 2

C



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Multiple experimental evidences have confirmed that at the molecular level, cancer is caused by lesions in cellular DNA.

Did you know?

Less than one of every three adults with high LDL cholesterol has the condition under control. Only 48.1% with the condition are being treated for it.

Did you know?

Historic treatments for rheumatoid arthritis have included gold salts, acupuncture, a diet consisting of apples or rhubarb, nutmeg, nettles, bee venom, bracelets made of copper, prayer, rest, tooth extractions, fasting, honey, vitamins, insulin, snow collected on Christmas, magnets, and electric convulsion therapy.

Did you know?

One way to reduce acid reflux is to lose two or three pounds. Most people lose weight in the belly area first when they increase exercise, meaning that heartburn can be reduced quickly by this method.

Did you know?

The first-known contraceptive was crocodile dung, used in Egypt in 2000 BC. Condoms were also reportedly used, made of animal bladders or intestines.

For a complete list of videos, visit our video library