Question: Sam Sung is evaluating a new advertising program that could increase electronic sales. Possible outcomes and probabilities of the outcomes are shown below. Possible Outcomes

Sam Sung is evaluating a new advertising program that could increase electronic sales. Possible outcomes and probabilities of the outcomes are shown below.

Possible Outcomes Additional Sales in Units Probabilities
Ineffective campaign 80 0.20
Normal response 140 0.40
Extremely effective 320 0.40

Compute the coefficient of variation.(Do not round intermediate calculations. Round the final answer to 3 decimal places.)

Coefficient of variation

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