Check my world Problem 13-4 Coefficient of variation (L013-1) Shack Homebuilders Limited is evaluating a new promotional campaign that could increase home sales Possible outcomes and probabilities of the outcomes are shown next. Additional Possible Outcomes Sales in units. Probabilities Ineffective campaign 30 Normal response 110 8.40 Extremely effective 120 8.20 Compute the coefficient of variation (Do not round Intermediate calculations. Round your answer to 3 decimal places.) Content of variation R y 0 G 1 H I J. B V M N