Security Returns 16 State Occura State of Economy Bust Boom Probability of State of Economy .20 .80 Roll -138 24 Ross 178 Calculate the standard deviations for Roil 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.) State of Probability of State of Economy Economy Return Deviation from Expected Return Squared Return Deviation Product Roll Bust Boom 20 80 02- Ross Bust 20 80 Boom -0.0220 0.0005 02