3. Calculate the Standard deviation and Coefficient of Variation for the table below: Probability of This Demand Occurring 0.3 Rate of Return if This Demand Occurs 70% Deviation: Actual 10% Expected Return Economy, Which Affects Demand Strong Normal Weak Squared Deviation x Prob Deviation Squared 0.4 10% 0.3 -40% 1 Standard deviation expressed as a percentage = Coefficient of Variation