Calculate the mean, the variance, and the standard deviation of the following discrete probability distribution. $($Negative values should be indicated by a minus sign. Round intermediate calculations to at least $4$ decimal places. Round your final answers to $2$ decimal places.$)$

x $4526134$

P$($X $=$ x$)0\mathrm{.}340\mathrm{.}310\mathrm{.}240\mathrm{.}11$