de Centre 16 Given the following information, what is the standard deviation of the expected returns? State of the Probability Expected Return Economy Weak 0.3 -0.2 Normal 0.4 0.1 Boom 0.3 0.3 You may have to re-type this information into an excel, O 19.5% 14.3% O 10.5% 0 20.2% eport