16) I sell an average of 500 pieces a month with a standard deviation of 100 . How much inventory do I need to ship 95% complete and on time? a) 600 b) 700 c) 500 d) No answer is correct t 17) Two standard deviations + or - from the mean have how many of the total observations? a) 95% b) 68% c) 99.7% d) All of the answers are correct 24) The usual measure of risk in finance is? a) All answers are correct b) Square root of the variance c) Standard deviation d) Same measure used in supply chain for inventory 25) Two primary uses for regression are? a) Prediction and optimization b) Find the slope and first derivative c) Total value and total cost d) Marginal revenue and marginal cost 26) Financial statements are typically used? a) Internally b) Externally c) Globally d) Nationally