State of Economy Bust Boom Security Returns if State Occurs Probability of State of Economy Roll Ross 0.50 -19% 12% 0.50 19 5 Calculate the standard deviations for Roll and Ross by filling in the following table: sign. Do not round intermediate calculations. Round your answers to 4 decimal State of Economy Probability of State of Economy Return Deviation from Expected Return Squared Return Deviation Product Roll Bust Boom 0.50 0.50 02 = Ross Bust 0.50 Boom 0.50 -0.0350 0.0012 02 = B