pls explain.thanks

(8 points) The probability distribution function of random variables X and Y are shown in the tables, together with additional columns for the products X . Pr(X) and Y . Pr(Y) . Fill in the missing values, and then use the tables to find the expected values E X] and EY"]. Your answers should be integers or decimals. X Pr(X X . Pr(X) 0.3 0.3 3 0.2 D.5 EX Y (Y Y . Pr(Y) -10 0.27 0.39 0.15 0.19 1.14 EY =