$($Standard deviation$)$ Given the probabilities and returns for Mik's Corporation in the popup window, $8,$ find the standard deviation.

Mik's standard deviation is

$\%.($Round to two decimal places$)$

Data table

$($Click on the following icon $$ in order to copy its contents into a spreadsheet.$)$

$\backslash$table$[[$PROBABILITY$,$RETURNS$],[0\mathrm{.}05,9\%$