What is the value of E(2X - 3Y)?
A) 1.35
B) -1.00
C) 4.65
D) 1.50
Question 2
To determine the effectiveness of a new advertisement which is shown to one customer group and not another, followed by observation of the purchase behavior of both groups is determined by the use of:
A) odds.
B) marginal probabilities.
C) overinvolvement ratios.
D) tree diagrams.