State of Economy Probability of State of Economy Security Returns if State Occurs

Roll Ross

Bust $0\mathrm{.}5013\%14\%$

Boom $0\mathrm{.}50317$

Calculate the standard deviations for Roll and Ross by filling in the following table:

Note: A negative value should be indicated by a minus sign. Do not round intermediate calculations. Round your answers to $4$ decimal places.