If X and Y are random variables, the sum of all the conditional ...

[littleanan]

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

[steff9894]

Answer to Question 1

B

Answer to Question 2

C

[littleanan]

Excellent

[ryhom]

Gracias!