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State of   Economy Probability of   State of Economy         Roll        Ross   Bust .30 –12 % 16 %...

State of
  Economy
Probability of
  State of Economy
        Roll        Ross
  Bust .30 –12 % 16 %
  Boom .70 23 6

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 values should be indicated by a minus sign. Do not round intermediate calculations. Round your Standard deviation answers to 2 decimal places 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 .30           
    Boom .70           
   
σ2 =   
   
  Ross
    Bust .30           
    Boom .70           
   
σ2 =   
   

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