Pabst Dental Supplies is evaluating the introduction of a new product. The possible levels of unit sales and the probabilities of 1 occurrence are given Sales In Units 25 40 70 85 Possible Market Reaction Low response Moderate response High response Very high response 2 points Probabilities 8.20 0.40 0.2e 9.20 8 .. What is the expected value of unit sales for the new product? Expected value b. What is the standard deviation of unit sales? (Round the final answer to 2 decimal places.) Standard deviation