2. Lowe Technology Corp. is evaluating the introduction of a new product. The possible levels of unit sales and the probabilities of their occurrence are given: Possible Sales Market Reaction in Units Probabilities Low response. 20 .10 Moderate response 40 .20 High response 65 .40 Very high response. 80 .30 What is the expected value of unit sales (D) for the new product? (4 points) a. b. What is the standard deviation of unit sales (2 decimal places)? (5 points)