I need help with Q2. Just want to make sure I did it correctly. Thank you.

ASSESSTY Module 3 Questions-Submit answers via email to mecartel@ohio.edu according to above instructions: (There are 20 questions to be answered for Module 3) The following 6 summation questions (Q1 to (6) are based on the table below: X Y 28 -2 -1 - 3 4 Q1: EXEY-99 8 ( 11 - 2.9 ) Q2: E(X - 2Y) = (-7) 11 - 27 11 - 18 - 7 Q3: EY2 + 10 = 87 Q4: (EX) + EY 121+ 9= (180 ) 0 34 Q5: EXY _ 27 9 Q6: (EX) - (Ex) 11 - 9 = (2) -u 77 The following 6 questions (7 to (12) are based on the histogram below