Author Question: For an exponentially distributed random variable x with a mean of 8, the probability of x 8 is .5. ... (Read 104 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?

Many supplement containers do not even contain what their labels say. There are many documented reports of products containing much less, or more, that what is listed on their labels. They may also contain undisclosed prescription drugs and even contaminants.

Did you know?

Elderly adults are at greatest risk of stroke and myocardial infarction and have the most to gain from prophylaxis. Patients ages 60 to 80 years with blood pressures above 160/90 mm Hg should benefit from antihypertensive treatment.

Did you know?

A seasonal flu vaccine is the best way to reduce the chances you will get seasonal influenza and spread it to others.

Did you know?

Calcitonin is a naturally occurring hormone. In women who are at least 5 years beyond menopause, it slows bone loss and increases spinal bone density.

Did you know?

People who have myopia, or nearsightedness, are not able to see objects at a distance but only up close. It occurs when the cornea is either curved too steeply, the eye is too long, or both. This condition is progressive and worsens with time. More than 100 million people in the United States are nearsighted, but only 20% of those are born with the condition. Diet, eye exercise, drug therapy, and corrective lenses can all help manage nearsightedness.

For a complete list of videos, visit our video library