Shack Homebuilders Limited is evaluating a new promotional campaign that could increase home sales. Possible outcomes and probabilities of the outcomes are shown next.
Possible Outcomes Additional Sales in Units Probabilities
Ineffective Campaign 50 0.10
Normal response 70 0.20
Extremely effective 130 0.70
Compute the coefficient of variation = (Do not round intermediate calculations. Round your answer to 3 decimal places.)
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