Pabs Dental Supplies is evaluating the introduction of a new product. The possible levels of and the probe occurrence are given Possible Market Reaction Low response Moderate response High response Very Ng response in units 25 Probabilities 0.20 0.30 0.20 0.30 65 a. 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