Use the following information on states of the economy and stock returns to calculate the standard deviation of returns.

Note: Do not round intermediate calculations. Enter your answer as a percent rounded to $2$ decimal places.

State of Economy Probability of State of Economy Security Return if State Occurs

Recession $0\mathrm{.}457\mathrm{.}50\%$

Normal $0\mathrm{.}1516\mathrm{.}00$

Boom $0\mathrm{.}4020\mathrm{.}00$ Use the following information on states of the economy and stock returns to calculate the standard deviation of returns.

Note: Do not round intermediate calculations. Enter your answer as a percent rounded to $2$ decimal places.

Answer is complete but not entirely correct.