1. Expected value and standard deviation Myers Business Systems is evaluating the introduction of a new product. The possible levels of unit sales and the probabilities of their occurrence are given next: Possible Sales Market Reaction in Units Probabilities Low response 20 .10 Moderate response 40 .30 High response 55 40 Very high response 70 .20 What is the expected value of unit sales for the new product? b. What is the standard deviation of unit sales? I a