Which of the following will equal zero if two random variables, ...

[lilldybug07]

Which of the following will equal zero if two random variables, say X and Y, are independent?
 a. Covariance
 
  b. Correlation
 
  c. Variance
 
  d. Correlation and Covariance.

Question 2

Suppose we are using a marketing simulation model to determine the expected profit under conditions of uncertain customer loyalty. In this case, we should use an optimization model to determine the optimal amount to spend on increasing customer loyalty.
 a. True
  b. False
   Indicate whether the statement is true or false

[cadimas]

Answer to Question 1

d

Answer to Question 2

FALSE