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

Author Question: If X and Y are random variables, the sum of all the conditional probabilities of X given a specific ... (Read 53 times)

littleanan

  • Hero Member
  • *****
  • Posts: 575
on: Jun 24, 2018
If X and Y are random variables, the sum of all the conditional probabilities of X given a specific value of Y will always be:
 a. 0.0
  b. 1.0
  c. the average of the possible values of X.
  d. the average of the possible values of Y.

Question 2

A statistical measure of the strength of the relationship between two random variables X and Y is referred to as the:
 a. expected value
  b. variance
  c. covariance
  d. standard deviation


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

steff9894

  • Sr. Member
  • ****
  • Posts: 337
Reply #1 on: Jun 24, 2018
Answer to Question 1

B

Answer to Question 2

C


littleanan

  • Member
  • Posts: 575
Reply 2 on: Jun 24, 2018
Gracias!

Dominic

  • Member
  • Posts: 328
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

« previous next »
 

Did you know?

In most cases, kidneys can recover from almost complete loss of function, such as in acute kidney (renal) failure.

Did you know?

Although the Roman numeral for the number 4 has always been taught to have been "IV," according to historians, the ancient Romans probably used "IIII" most of the time. This is partially backed up by the fact that early grandfather clocks displayed IIII for the number 4 instead of IV. Early clockmakers apparently thought that the IIII balanced out the VIII (used for the number 8) on the clock face and that it just looked better.

Did you know?

Cocaine was isolated in 1860 and first used as a local anesthetic in 1884. Its first clinical use was by Sigmund Freud to wean a patient from morphine addiction. The fictional character Sherlock Holmes was supposed to be addicted to cocaine by injection.

Did you know?

Methicillin-resistant Staphylococcus aureus or MRSA was discovered in 1961 in the United Kingdom. It if often referred to as a superbug. MRSA infections cause more deaths in the United States every year than AIDS.

Methicilli ...
Did you know?

It is important to read food labels and choose foods with low cholesterol and saturated trans fat. You should limit saturated fat to no higher than 6% of daily calories.

Probes can be used to detect specific macromolecules Probes can be used to detect specific macromolecules
Disorders associated with specific stages of embryon​ic developmen​t Disorders associated with specific stages of embryon​ic developmen​t
A specific neuronal mRNA localizes to synapses A specific neuronal mRNA localizes to synapses
Organ-Specific Toxicity Organ-Specific Toxicity
Time course for antibodies to the EBV viral–specific antigens. Time course for antibodies to the EBV viral–specific antigens.
Age-Specific Fertility Rates Age-Specific Fertility Rates
Video: X chromosome inactivation in calico cats

For a complete list of videos, visit our video library