Consider the experiment of rolling 3 fair four-sided dice (the numbers on each die are 1,2,3 and 4). X 1, X 2 and X 3 denote the numbers on the first, second, and third die, respectively. Y = X...

Extracted text: Consider the experiment of rolling 3 fair four-sided dice (the numbers on each die are 1,2,3 and 4). X 1, X 2 and X 3 denote the numbers on the first, second, and third die, respectively. Y = X 1+X_2+X_3, the sum of the three rolls. What is E(X_2]Y)? 3.5 O 2.5 OY/2 Y/3 Ox2 X_2