Instruction: i need someone who can answer this.

TaSK 1:

For the following scores, find the value of each expression: a. EX X b. EX2 c. EX + 1 d. E(X + 1) NOUW2. Two scores, X and Y, are recorded for each of n = 4 subjects. For these scores, find the value of each expression. a. EX Subject X Y b. EY C. EXY NHOW NUNA