Security Returns if State Occurs State of Economy Bust Boom Probability of State of Economy .20 .80 Roll -12% 30 Ross 13% 6 Calculate the standard deviations for Roll and Ross by filling in the following table. (A negative value should be ind sign. Do not round intermediate calculations. Round your answers to 4 decimal places.) Return Probability State of Deviation from of State of Economy Economy Expected Return Squared Return Deviation Product Roll Bust Boom 20 0.1129 0.0226 -0.3360 0.0840 80 0.0071 02- 0.0056 0.0282 X 4 decimal places required. Ross Bust 20 Boom 80 00140 0.0002 (Do not round intermediate calculations. Enter your answers as o percent rounded to 2 decimal places.) Standard Deviations Roll Ross % %