calculate the standard deviations

Security Returns if State Occurs State of Economy Bust Boom Probability of State of Economy 0.20 0.80 Roll -18% 18 Ross 21% 6 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.) Probability State of of State of Economy Economy Return Deviation from Expected Return Squared Return Deviation Product Roll 0.20 Bust Boom 0.80 02 = Ross Bust Boom 0.20 0.80 -0.0300 0.0009 02 =