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Security Returns If State Occurs State of Probability of Economy State of Economy Roll Ross Bust Boom 20 .80 -19% 30 20% 7 Calculate the standard deviations for Roll and Ross by filling in the following table (verify your answer using returns expressed in percentages as well as decimals): (Negative amounts should be indicated by a minus sign. Round your Economy and Standard deviation answers to 2 decimal and other answers to 4 decimal places. Omit the "%" sign in your response.) State of Economy Probability of State of Economy Return Deviation from Expected Return Squared Return Deviation Product Roll Bust Boom 0.20 0.80 02= Ross Bust Boom 0.20 0.80 02= Standard deviations % % Roll Ross