Security Returns if State Occurs State of Economy Bust Boom Probability of State of Economy 0.30 0.70 Roll -19% 30 Ross 20% Calculate the standard deviations for Roll and Ross by filling in the following table: (A negative value should be indicated by a minus sign. Do not round intermediate calculations. Round your answers to 4 decimal places.) Return State of Probability Economy of State of Deviation from Squared Return Product Expected Return Economy Deviation Roll Bust 0.30 Boom 0.70 Ross Bust 0.30 Boom 0.70 0.0390 0.0015 (Do not round intermediate calculations. Enter your answers as a percent rounded to 2 decimal places.) Standard Deviations Roll Ross