Question 9 There are two random variables X and Y, and their correlation coefficient ρX,Y = 0.7 . Now, we have two new random variables A = 2.5X+1 and B = 4Y+2 . Please compute the correlation...

Question 9

There are two random variables X and Y, and their correlation coefficientρX,Y =
0.7.  Now, we have two new random variablesA = 2.5X+1 andB = 4Y+2. Please compute the correlation coefficient of A and B,ρA,B .

Please round your answer correctly to one decimal place.

Answer:_________________