The return on shares of the Orange Company are predicted under the following states of nature. The states of nature are all equally likely, and because there are a total of three states, each state has a $33\mathrm{.}333\%$ chance of occurring.

Recession $-0\mathrm{.}10$

Normal $+0\mathrm{.}04$

Boom $+0\mathrm{.}23$

What is the standard deviation of Orange?

$*$ Place your answer in decimal form, for example as say $\mathrm{.}0675$ and not $6\mathrm{.}75.$